20504432

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7583}}^1$

素因数の和:7617

約数の個数: 30

約数和(自身を含む): 43024032

約数和(自身を除く): 22519600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7583, 15166, 30332, 60664, 98579, 121328, 197158, 394316, 788632, 1281527, 1577264, 2563054, 5126108, 10252216, 20504432]

約数ペア:

[(1, 20504432), (2, 10252216), (4, 5126108), (8, 2563054), (13, 1577264), (16, 1281527), (26, 788632), (52, 394316), (104, 197158), (169, 121328), (208, 98579), (338, 60664), (676, 30332), (1352, 15166), (2704, 7583)]