20649158

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{601}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 31857840

約数和(自身を除く): 11208682

約数列:

[1, 2, 41, 82, 419, 601, 838, 1202, 17179, 24641, 34358, 49282, 251819, 503638, 10324579, 20649158]

約数ペア:

[(1, 20649158), (2, 10324579), (41, 503638), (82, 251819), (419, 49282), (601, 34358), (838, 24641), (1202, 17179)]