20490472

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{88321}}^1$

素因数の和:88356

約数の個数: 16

約数和(自身を含む): 39744900

約数和(自身を除く): 19254428

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 88321, 176642, 353284, 706568, 2561309, 5122618, 10245236, 20490472]

約数ペア:

[(1, 20490472), (2, 10245236), (4, 5122618), (8, 2561309), (29, 706568), (58, 353284), (116, 176642), (232, 88321)]