20059270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25559930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 109, 110, 154, 218, 239, 385, 478, 545, 763, 770, 1090, 1195, 1199, 1526, 1673, 2390, 2398, 2629, 3346, 3815, 5258, 5995, 7630, 8365, 8393, 11990, 13145, 16730, 16786, 18403, 26051, 26290, 36806, 41965, 52102, 83930, 92015, 130255, 182357, 184030, 260510, 286561, 364714, 573122, 911785, 1432805, 1823570, 2005927, 2865610, 4011854, 10029635, 20059270]

約数ペア:

[(1, 20059270), (2, 10029635), (5, 4011854), (7, 2865610), (10, 2005927), (11, 1823570), (14, 1432805), (22, 911785), (35, 573122), (55, 364714), (70, 286561), (77, 260510), (109, 184030), (110, 182357), (154, 130255), (218, 92015), (239, 83930), (385, 52102), (478, 41965), (545, 36806), (763, 26290), (770, 26051), (1090, 18403), (1195, 16786), (1199, 16730), (1526, 13145), (1673, 11990), (2390, 8393), (2398, 8365), (2629, 7630), (3346, 5995), (3815, 5258)]