20123057940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1\times {\mathrm{1699}}^1$

素因数の和:2661

約数の個数: 96

約数和(自身を含む): 56649331200

約数和(自身を除く): 36526273260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 643, 921, 1228, 1286, 1535, 1699, 1842, 1929, 2572, 3070, 3215, 3398, 3684, 3858, 4605, 5097, 6140, 6430, 6796, 7716, 8495, 9210, 9645, 10194, 12860, 16990, 18420, 19290, 20388, 25485, 33980, 38580, 50970, 101940, 197401, 394802, 521593, 592203, 789604, 987005, 1043186, 1092457, 1184406, 1564779, 1974010, 2086372, 2184914, 2368812, 2607965, 2961015, 3129558, 3277371, 3948020, 4369828, 5215930, 5462285, 5922030, 6259116, 6554742, 7823895, 10431860, 10924570, 11844060, 13109484, 15647790, 16386855, 21849140, 31295580, 32773710, 65547420, 335384299, 670768598, 1006152897, 1341537196, 1676921495, 2012305794, 3353842990, 4024611588, 5030764485, 6707685980, 10061528970, 20123057940]

約数ペア:

[(1, 20123057940), (2, 10061528970), (3, 6707685980), (4, 5030764485), (5, 4024611588), (6, 3353842990), (10, 2012305794), (12, 1676921495), (15, 1341537196), (20, 1006152897), (30, 670768598), (60, 335384299), (307, 65547420), (614, 32773710), (643, 31295580), (921, 21849140), (1228, 16386855), (1286, 15647790), (1535, 13109484), (1699, 11844060), (1842, 10924570), (1929, 10431860), (2572, 7823895), (3070, 6554742), (3215, 6259116), (3398, 5922030), (3684, 5462285), (3858, 5215930), (4605, 4369828), (5097, 3948020), (6140, 3277371), (6430, 3129558), (6796, 2961015), (7716, 2607965), (8495, 2368812), (9210, 2184914), (9645, 2086372), (10194, 1974010), (12860, 1564779), (16990, 1184406), (18420, 1092457), (19290, 1043186), (20388, 987005), (25485, 789604), (33980, 592203), (38580, 521593), (50970, 394802), (101940, 197401)]