20207525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 27305544

約数和(自身を除く): 7098019

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 641, 1261, 2425, 3205, 6305, 8333, 16025, 31525, 41665, 62177, 208325, 310885, 808301, 1554425, 4041505, 20207525]

約数ペア:

[(1, 20207525), (5, 4041505), (13, 1554425), (25, 808301), (65, 310885), (97, 208325), (325, 62177), (485, 41665), (641, 31525), (1261, 16025), (2425, 8333), (3205, 6305)]