20736695780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1557

約数の個数: 96

約数和(自身を含む): 45130176000

約数和(自身を除く): 24393480220

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 181, 236, 295, 316, 362, 395, 590, 724, 790, 905, 1180, 1229, 1580, 1810, 2458, 3620, 4661, 4916, 6145, 9322, 10679, 12290, 14299, 18644, 21358, 23305, 24580, 28598, 42716, 46610, 53395, 57196, 71495, 72511, 93220, 97091, 106790, 142990, 145022, 194182, 213580, 222449, 285980, 290044, 362555, 388364, 444898, 485455, 725110, 843641, 889796, 970910, 1112245, 1450220, 1687282, 1941820, 2224490, 3374564, 4218205, 4448980, 5728369, 8436410, 11456738, 13124491, 16872820, 17573471, 22913476, 26248982, 28641845, 35146942, 52497964, 57283690, 65622455, 70293884, 87867355, 114567380, 131244910, 175734710, 262489820, 351469420, 1036834789, 2073669578, 4147339156, 5184173945, 10368347890, 20736695780]

約数ペア:

[(1, 20736695780), (2, 10368347890), (4, 5184173945), (5, 4147339156), (10, 2073669578), (20, 1036834789), (59, 351469420), (79, 262489820), (118, 175734710), (158, 131244910), (181, 114567380), (236, 87867355), (295, 70293884), (316, 65622455), (362, 57283690), (395, 52497964), (590, 35146942), (724, 28641845), (790, 26248982), (905, 22913476), (1180, 17573471), (1229, 16872820), (1580, 13124491), (1810, 11456738), (2458, 8436410), (3620, 5728369), (4661, 4448980), (4916, 4218205), (6145, 3374564), (9322, 2224490), (10679, 1941820), (12290, 1687282), (14299, 1450220), (18644, 1112245), (21358, 970910), (23305, 889796), (24580, 843641), (28598, 725110), (42716, 485455), (46610, 444898), (53395, 388364), (57196, 362555), (71495, 290044), (72511, 285980), (93220, 222449), (97091, 213580), (106790, 194182), (142990, 145022)]