20257408

素因数分解:

$2^7\times {\mathrm{158261}}^1$

素因数の和:158275

約数の個数: 16

約数和(自身を含む): 40356810

約数和(自身を除く): 20099402

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 158261, 316522, 633044, 1266088, 2532176, 5064352, 10128704, 20257408]

約数ペア:

[(1, 20257408), (2, 10128704), (4, 5064352), (8, 2532176), (16, 1266088), (32, 633044), (64, 316522), (128, 158261)]