20639209760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 384

約数和(自身を含む): 57297881088

約数和(自身を除く): 36658671328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 41, 52, 62, 65, 74, 80, 82, 104, 124, 130, 148, 155, 160, 164, 185, 205, 208, 211, 248, 260, 296, 310, 328, 370, 403, 410, 416, 422, 481, 496, 520, 533, 592, 620, 656, 740, 806, 820, 844, 962, 992, 1040, 1055, 1066, 1147, 1184, 1240, 1271, 1312, 1480, 1517, 1612, 1640, 1688, 1924, 2015, 2080, 2110, 2132, 2294, 2405, 2480, 2542, 2665, 2743, 2960, 3034, 3224, 3280, 3376, 3848, 4030, 4220, 4264, 4588, 4810, 4960, 5084, 5330, 5486, 5735, 5920, 6068, 6355, 6448, 6541, 6560, 6752, 7585, 7696, 7807, 8060, 8440, 8528, 8651, 9176, 9620, 10168, 10660, 10972, 11470, 12136, 12710, 12896, 13082, 13715, 14911, 15170, 15392, 15614, 16120, 16523, 16880, 17056, 17302, 18352, 19240, 19721, 20336, 21320, 21944, 22940, 24272, 25420, 26164, 27430, 29822, 30340, 31228, 32240, 32705, 33046, 33760, 34604, 36704, 38480, 39035, 39442, 40672, 42640, 43255, 43888, 45880, 47027, 48544, 50840, 52328, 54860, 59644, 60680, 62456, 64480, 65410, 66092, 69208, 74555, 76960, 78070, 78884, 82615, 85033, 85280, 86510, 87776, 91760, 94054, 98605, 101491, 101680, 104656, 109720, 112463, 119288, 121360, 124912, 130820, 132184, 138416, 149110, 156140, 157768, 165230, 170066, 173020, 183520, 188108, 197210, 202982, 203360, 209312, 219440, 224926, 235135, 238576, 242017, 242720, 249824, 261640, 264368, 268181, 276832, 298220, 312280, 315536, 320087, 330460, 340132, 346040, 376216, 394420, 405964, 425165, 438880, 449852, 470270, 477152, 484034, 507455, 523280, 528736, 536362, 562315, 596440, 611351, 624560, 631072, 640174, 660920, 680264, 692080, 752432, 788840, 811928, 850330, 899704, 940540, 968068, 1014910, 1046560, 1072724, 1124630, 1192880, 1210085, 1222702, 1249120, 1280348, 1321840, 1340905, 1360528, 1384160, 1504864, 1577680, 1600435, 1623856, 1700660, 1799408, 1881080, 1936136, 2029820, 2145448, 2249260, 2385760, 2420170, 2445404, 2560696, 2643680, 2681810, 2721056, 3056755, 3146221, 3155360, 3200870, 3247712, 3401320, 3486353, 3598816, 3762160, 3872272, 4059640, 4161131, 4290896, 4498520, 4840340, 4890808, 5121392, 5363620, 6113510, 6292442, 6401740, 6802640, 6972706, 7524320, 7744544, 8119280, 8322262, 8581792, 8997040, 9680680, 9781616, 9922697, 10242784, 10727240, 12227020, 12584884, 12803480, 13605280, 13945412, 15731105, 16238560, 16644524, 17431765, 17994080, 19361360, 19563232, 19845394, 20805655, 21454480, 24454040, 25169768, 25606960, 27890824, 31462210, 33289048, 34863530, 38722720, 39690788, 41611310, 42908960, 48908080, 49613485, 50339536, 51213920, 55781648, 62924420, 66578096, 69727060, 79381576, 83222620, 97816160, 99226970, 100679072, 111563296, 125848840, 128995061, 133156192, 139454120, 158763152, 166445240, 198453940, 251697680, 257990122, 278908240, 317526304, 332890480, 396907880, 503395360, 515980244, 557816480, 644975305, 665780960, 793815760, 1031960488, 1289950610, 1587631520, 2063920976, 2579901220, 4127841952, 5159802440, 10319604880, 20639209760]

約数ペア:

[(1, 20639209760), (2, 10319604880), (4, 5159802440), (5, 4127841952), (8, 2579901220), (10, 2063920976), (13, 1587631520), (16, 1289950610), (20, 1031960488), (26, 793815760), (31, 665780960), (32, 644975305), (37, 557816480), (40, 515980244), (41, 503395360), (52, 396907880), (62, 332890480), (65, 317526304), (74, 278908240), (80, 257990122), (82, 251697680), (104, 198453940), (124, 166445240), (130, 158763152), (148, 139454120), (155, 133156192), (160, 128995061), (164, 125848840), (185, 111563296), (205, 100679072), (208, 99226970), (211, 97816160), (248, 83222620), (260, 79381576), (296, 69727060), (310, 66578096), (328, 62924420), (370, 55781648), (403, 51213920), (410, 50339536), (416, 49613485), (422, 48908080), (481, 42908960), (496, 41611310), (520, 39690788), (533, 38722720), (592, 34863530), (620, 33289048), (656, 31462210), (740, 27890824), (806, 25606960), (820, 25169768), (844, 24454040), (962, 21454480), (992, 20805655), (1040, 19845394), (1055, 19563232), (1066, 19361360), (1147, 17994080), (1184, 17431765), (1240, 16644524), (1271, 16238560), (1312, 15731105), (1480, 13945412), (1517, 13605280), (1612, 12803480), (1640, 12584884), (1688, 12227020), (1924, 10727240), (2015, 10242784), (2080, 9922697), (2110, 9781616), (2132, 9680680), (2294, 8997040), (2405, 8581792), (2480, 8322262), (2542, 8119280), (2665, 7744544), (2743, 7524320), (2960, 6972706), (3034, 6802640), (3224, 6401740), (3280, 6292442), (3376, 6113510), (3848, 5363620), (4030, 5121392), (4220, 4890808), (4264, 4840340), (4588, 4498520), (4810, 4290896), (4960, 4161131), (5084, 4059640), (5330, 3872272), (5486, 3762160), (5735, 3598816), (5920, 3486353), (6068, 3401320), (6355, 3247712), (6448, 3200870), (6541, 3155360), (6560, 3146221), (6752, 3056755), (7585, 2721056), (7696, 2681810), (7807, 2643680), (8060, 2560696), (8440, 2445404), (8528, 2420170), (8651, 2385760), (9176, 2249260), (9620, 2145448), (10168, 2029820), (10660, 1936136), (10972, 1881080), (11470, 1799408), (12136, 1700660), (12710, 1623856), (12896, 1600435), (13082, 1577680), (13715, 1504864), (14911, 1384160), (15170, 1360528), (15392, 1340905), (15614, 1321840), (16120, 1280348), (16523, 1249120), (16880, 1222702), (17056, 1210085), (17302, 1192880), (18352, 1124630), (19240, 1072724), (19721, 1046560), (20336, 1014910), (21320, 968068), (21944, 940540), (22940, 899704), (24272, 850330), (25420, 811928), (26164, 788840), (27430, 752432), (29822, 692080), (30340, 680264), (31228, 660920), (32240, 640174), (32705, 631072), (33046, 624560), (33760, 611351), (34604, 596440), (36704, 562315), (38480, 536362), (39035, 528736), (39442, 523280), (40672, 507455), (42640, 484034), (43255, 477152), (43888, 470270), (45880, 449852), (47027, 438880), (48544, 425165), (50840, 405964), (52328, 394420), (54860, 376216), (59644, 346040), (60680, 340132), (62456, 330460), (64480, 320087), (65410, 315536), (66092, 312280), (69208, 298220), (74555, 276832), (76960, 268181), (78070, 264368), (78884, 261640), (82615, 249824), (85033, 242720), (85280, 242017), (86510, 238576), (87776, 235135), (91760, 224926), (94054, 219440), (98605, 209312), (101491, 203360), (101680, 202982), (104656, 197210), (109720, 188108), (112463, 183520), (119288, 173020), (121360, 170066), (124912, 165230), (130820, 157768), (132184, 156140), (138416, 149110)]