19939920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 320

約数和(自身を含む): 83994624

約数和(自身を除く): 64054704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 83, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 166, 168, 176, 182, 195, 208, 210, 220, 231, 240, 249, 260, 264, 273, 280, 286, 308, 312, 330, 332, 336, 364, 385, 390, 415, 420, 429, 440, 455, 462, 498, 520, 528, 546, 560, 572, 581, 616, 624, 660, 664, 715, 728, 770, 780, 830, 840, 858, 880, 910, 913, 924, 996, 1001, 1040, 1079, 1092, 1144, 1155, 1162, 1232, 1245, 1320, 1328, 1365, 1430, 1456, 1540, 1560, 1660, 1680, 1716, 1743, 1820, 1826, 1848, 1992, 2002, 2145, 2158, 2184, 2288, 2310, 2324, 2490, 2640, 2730, 2739, 2860, 2905, 3003, 3080, 3120, 3237, 3320, 3432, 3486, 3640, 3652, 3696, 3984, 4004, 4290, 4316, 4368, 4565, 4620, 4648, 4980, 5005, 5395, 5460, 5478, 5720, 5810, 6006, 6160, 6391, 6474, 6640, 6864, 6972, 7280, 7304, 7553, 8008, 8580, 8632, 8715, 9130, 9240, 9296, 9960, 10010, 10790, 10920, 10956, 11440, 11620, 11869, 12012, 12782, 12948, 13695, 13944, 14608, 15015, 15106, 16016, 16185, 17160, 17264, 17430, 18260, 18480, 19173, 19920, 20020, 21580, 21840, 21912, 22659, 23240, 23738, 24024, 25564, 25896, 27390, 27888, 30030, 30212, 31955, 32370, 34320, 34860, 35607, 36520, 37765, 38346, 40040, 43160, 43824, 45318, 46480, 47476, 48048, 51128, 51792, 54780, 59345, 60060, 60424, 63910, 64740, 69720, 71214, 73040, 75530, 76692, 80080, 83083, 86320, 90636, 94952, 95865, 102256, 109560, 113295, 118690, 120120, 120848, 127820, 129480, 139440, 142428, 151060, 153384, 166166, 178035, 181272, 189904, 191730, 219120, 226590, 237380, 240240, 249249, 255640, 258960, 284856, 302120, 306768, 332332, 356070, 362544, 383460, 415415, 453180, 474760, 498498, 511280, 569712, 604240, 664664, 712140, 766920, 830830, 906360, 949520, 996996, 1246245, 1329328, 1424280, 1533840, 1661660, 1812720, 1993992, 2492490, 2848560, 3323320, 3987984, 4984980, 6646640, 9969960, 19939920]

約数ペア:

[(1, 19939920), (2, 9969960), (3, 6646640), (4, 4984980), (5, 3987984), (6, 3323320), (7, 2848560), (8, 2492490), (10, 1993992), (11, 1812720), (12, 1661660), (13, 1533840), (14, 1424280), (15, 1329328), (16, 1246245), (20, 996996), (21, 949520), (22, 906360), (24, 830830), (26, 766920), (28, 712140), (30, 664664), (33, 604240), (35, 569712), (39, 511280), (40, 498498), (42, 474760), (44, 453180), (48, 415415), (52, 383460), (55, 362544), (56, 356070), (60, 332332), (65, 306768), (66, 302120), (70, 284856), (77, 258960), (78, 255640), (80, 249249), (83, 240240), (84, 237380), (88, 226590), (91, 219120), (104, 191730), (105, 189904), (110, 181272), (112, 178035), (120, 166166), (130, 153384), (132, 151060), (140, 142428), (143, 139440), (154, 129480), (156, 127820), (165, 120848), (166, 120120), (168, 118690), (176, 113295), (182, 109560), (195, 102256), (208, 95865), (210, 94952), (220, 90636), (231, 86320), (240, 83083), (249, 80080), (260, 76692), (264, 75530), (273, 73040), (280, 71214), (286, 69720), (308, 64740), (312, 63910), (330, 60424), (332, 60060), (336, 59345), (364, 54780), (385, 51792), (390, 51128), (415, 48048), (420, 47476), (429, 46480), (440, 45318), (455, 43824), (462, 43160), (498, 40040), (520, 38346), (528, 37765), (546, 36520), (560, 35607), (572, 34860), (581, 34320), (616, 32370), (624, 31955), (660, 30212), (664, 30030), (715, 27888), (728, 27390), (770, 25896), (780, 25564), (830, 24024), (840, 23738), (858, 23240), (880, 22659), (910, 21912), (913, 21840), (924, 21580), (996, 20020), (1001, 19920), (1040, 19173), (1079, 18480), (1092, 18260), (1144, 17430), (1155, 17264), (1162, 17160), (1232, 16185), (1245, 16016), (1320, 15106), (1328, 15015), (1365, 14608), (1430, 13944), (1456, 13695), (1540, 12948), (1560, 12782), (1660, 12012), (1680, 11869), (1716, 11620), (1743, 11440), (1820, 10956), (1826, 10920), (1848, 10790), (1992, 10010), (2002, 9960), (2145, 9296), (2158, 9240), (2184, 9130), (2288, 8715), (2310, 8632), (2324, 8580), (2490, 8008), (2640, 7553), (2730, 7304), (2739, 7280), (2860, 6972), (2905, 6864), (3003, 6640), (3080, 6474), (3120, 6391), (3237, 6160), (3320, 6006), (3432, 5810), (3486, 5720), (3640, 5478), (3652, 5460), (3696, 5395), (3984, 5005), (4004, 4980), (4290, 4648), (4316, 4620), (4368, 4565)]