20589530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 19544998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 631, 1255, 1262, 2510, 3155, 3263, 6310, 6526, 8203, 16315, 16406, 32630, 41015, 82030, 158381, 316762, 791905, 1583810, 2058953, 4117906, 10294765, 20589530]

約数ペア:

[(1, 20589530), (2, 10294765), (5, 4117906), (10, 2058953), (13, 1583810), (26, 791905), (65, 316762), (130, 158381), (251, 82030), (502, 41015), (631, 32630), (1255, 16406), (1262, 16315), (2510, 8203), (3155, 6526), (3263, 6310)]