20156408

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{11941}}^1$

素因数の和:12158

約数の個数: 16

約数和(自身を含む): 37975560

約数和(自身を除く): 17819152

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 11941, 23882, 47764, 95528, 2519551, 5039102, 10078204, 20156408]

約数ペア:

[(1, 20156408), (2, 10078204), (4, 5039102), (8, 2519551), (211, 95528), (422, 47764), (844, 23882), (1688, 11941)]