20071628920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1087}}^1\times {\mathrm{9421}}^1$

素因数の和:10533

約数の個数: 96

約数和(自身を含む): 52588327680

約数和(自身を除く): 32516698760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1087, 1960, 2174, 4348, 5435, 7609, 8696, 9421, 10870, 15218, 18842, 21740, 30436, 37684, 38045, 43480, 47105, 53263, 60872, 65947, 75368, 76090, 94210, 106526, 131894, 152180, 188420, 213052, 263788, 266315, 304360, 329735, 376840, 426104, 461629, 527576, 532630, 659470, 923258, 1065260, 1318940, 1846516, 2130520, 2308145, 2637880, 3693032, 4616290, 9232580, 10240627, 18465160, 20481254, 40962508, 51203135, 71684389, 81925016, 102406270, 143368778, 204812540, 286737556, 358421945, 409625080, 501790723, 573475112, 716843890, 1003581446, 1433687780, 2007162892, 2508953615, 2867375560, 4014325784, 5017907230, 10035814460, 20071628920]

約数ペア:

[(1, 20071628920), (2, 10035814460), (4, 5017907230), (5, 4014325784), (7, 2867375560), (8, 2508953615), (10, 2007162892), (14, 1433687780), (20, 1003581446), (28, 716843890), (35, 573475112), (40, 501790723), (49, 409625080), (56, 358421945), (70, 286737556), (98, 204812540), (140, 143368778), (196, 102406270), (245, 81925016), (280, 71684389), (392, 51203135), (490, 40962508), (980, 20481254), (1087, 18465160), (1960, 10240627), (2174, 9232580), (4348, 4616290), (5435, 3693032), (7609, 2637880), (8696, 2308145), (9421, 2130520), (10870, 1846516), (15218, 1318940), (18842, 1065260), (21740, 923258), (30436, 659470), (37684, 532630), (38045, 527576), (43480, 461629), (47105, 426104), (53263, 376840), (60872, 329735), (65947, 304360), (75368, 266315), (76090, 263788), (94210, 213052), (106526, 188420), (131894, 152180)]