20163277920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{31513}}^1$

素因数の和:31605

約数の個数: 192

約数和(自身を含む): 67090028544

約数和(自身を除く): 46926750624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 480, 496, 516, 620, 645, 688, 744, 860, 930, 992, 1032, 1240, 1290, 1333, 1376, 1488, 1720, 1860, 2064, 2480, 2580, 2666, 2976, 3440, 3720, 3999, 4128, 4960, 5160, 5332, 6665, 6880, 7440, 7998, 10320, 10664, 13330, 14880, 15996, 19995, 20640, 21328, 26660, 31513, 31992, 39990, 42656, 53320, 63026, 63984, 79980, 94539, 106640, 126052, 127968, 157565, 159960, 189078, 213280, 252104, 315130, 319920, 378156, 472695, 504208, 630260, 639840, 756312, 945390, 976903, 1008416, 1260520, 1355059, 1512624, 1890780, 1953806, 2521040, 2710118, 2930709, 3025248, 3781560, 3907612, 4065177, 4884515, 5042080, 5420236, 5861418, 6775295, 7563120, 7815224, 8130354, 9769030, 10840472, 11722836, 13550590, 14653545, 15126240, 15630448, 16260708, 19538060, 20325885, 21680944, 23445672, 27101180, 29307090, 31260896, 32521416, 39076120, 40651770, 42006829, 43361888, 46891344, 54202360, 58614180, 65042832, 78152240, 81303540, 84013658, 93782688, 108404720, 117228360, 126020487, 130085664, 156304480, 162607080, 168027316, 210034145, 216809440, 234456720, 252040974, 325214160, 336054632, 420068290, 468913440, 504081948, 630102435, 650428320, 672109264, 840136580, 1008163896, 1260204870, 1344218528, 1680273160, 2016327792, 2520409740, 3360546320, 4032655584, 5040819480, 6721092640, 10081638960, 20163277920]

約数ペア:

[(1, 20163277920), (2, 10081638960), (3, 6721092640), (4, 5040819480), (5, 4032655584), (6, 3360546320), (8, 2520409740), (10, 2016327792), (12, 1680273160), (15, 1344218528), (16, 1260204870), (20, 1008163896), (24, 840136580), (30, 672109264), (31, 650428320), (32, 630102435), (40, 504081948), (43, 468913440), (48, 420068290), (60, 336054632), (62, 325214160), (80, 252040974), (86, 234456720), (93, 216809440), (96, 210034145), (120, 168027316), (124, 162607080), (129, 156304480), (155, 130085664), (160, 126020487), (172, 117228360), (186, 108404720), (215, 93782688), (240, 84013658), (248, 81303540), (258, 78152240), (310, 65042832), (344, 58614180), (372, 54202360), (430, 46891344), (465, 43361888), (480, 42006829), (496, 40651770), (516, 39076120), (620, 32521416), (645, 31260896), (688, 29307090), (744, 27101180), (860, 23445672), (930, 21680944), (992, 20325885), (1032, 19538060), (1240, 16260708), (1290, 15630448), (1333, 15126240), (1376, 14653545), (1488, 13550590), (1720, 11722836), (1860, 10840472), (2064, 9769030), (2480, 8130354), (2580, 7815224), (2666, 7563120), (2976, 6775295), (3440, 5861418), (3720, 5420236), (3999, 5042080), (4128, 4884515), (4960, 4065177), (5160, 3907612), (5332, 3781560), (6665, 3025248), (6880, 2930709), (7440, 2710118), (7998, 2521040), (10320, 1953806), (10664, 1890780), (13330, 1512624), (14880, 1355059), (15996, 1260520), (19995, 1008416), (20640, 976903), (21328, 945390), (26660, 756312), (31513, 639840), (31992, 630260), (39990, 504208), (42656, 472695), (53320, 378156), (63026, 319920), (63984, 315130), (79980, 252104), (94539, 213280), (106640, 189078), (126052, 159960), (127968, 157565)]