20145256

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19512344

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1223, 2059, 2446, 4118, 4892, 8236, 9784, 16472, 35467, 70934, 86833, 141868, 173666, 283736, 347332, 694664, 2518157, 5036314, 10072628, 20145256]

約数ペア:

[(1, 20145256), (2, 10072628), (4, 5036314), (8, 2518157), (29, 694664), (58, 347332), (71, 283736), (116, 173666), (142, 141868), (232, 86833), (284, 70934), (568, 35467), (1223, 16472), (2059, 9784), (2446, 8236), (4118, 4892)]