20147871240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7995187}}^1$

素因数の和:7995211

約数の個数: 96

約数和(自身を含む): 74834959680

約数和(自身を除く): 54687088440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7995187, 15990374, 23985561, 31980748, 39975935, 47971122, 55966309, 63961496, 71956683, 79951870, 95942244, 111932618, 119927805, 143913366, 159903740, 167898927, 191884488, 223865236, 239855610, 279831545, 287826732, 319807480, 335797854, 359783415, 447730472, 479711220, 503696781, 559663090, 575653464, 671595708, 719566830, 839494635, 959422440, 1007393562, 1119326180, 1343191416, 1439133660, 1678989270, 2014787124, 2238652360, 2518483905, 2878267320, 3357978540, 4029574248, 5036967810, 6715957080, 10073935620, 20147871240]

約数ペア:

[(1, 20147871240), (2, 10073935620), (3, 6715957080), (4, 5036967810), (5, 4029574248), (6, 3357978540), (7, 2878267320), (8, 2518483905), (9, 2238652360), (10, 2014787124), (12, 1678989270), (14, 1439133660), (15, 1343191416), (18, 1119326180), (20, 1007393562), (21, 959422440), (24, 839494635), (28, 719566830), (30, 671595708), (35, 575653464), (36, 559663090), (40, 503696781), (42, 479711220), (45, 447730472), (56, 359783415), (60, 335797854), (63, 319807480), (70, 287826732), (72, 279831545), (84, 239855610), (90, 223865236), (105, 191884488), (120, 167898927), (126, 159903740), (140, 143913366), (168, 119927805), (180, 111932618), (210, 95942244), (252, 79951870), (280, 71956683), (315, 63961496), (360, 55966309), (420, 47971122), (504, 39975935), (630, 31980748), (840, 23985561), (1260, 15990374), (2520, 7995187)]