20278616

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{9151}}^1$

素因数の和:9434

約数の個数: 16

約数和(自身を含む): 38163840

約数和(自身を除く): 17885224

約数列:

[1, 2, 4, 8, 277, 554, 1108, 2216, 9151, 18302, 36604, 73208, 2534827, 5069654, 10139308, 20278616]

約数ペア:

[(1, 20278616), (2, 10139308), (4, 5069654), (8, 2534827), (277, 73208), (554, 36604), (1108, 18302), (2216, 9151)]