20786104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{152839}}^1$

素因数の和:152862

約数の個数: 16

約数和(自身を含む): 41266800

約数和(自身を除く): 20480696

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 152839, 305678, 611356, 1222712, 2598263, 5196526, 10393052, 20786104]

約数ペア:

[(1, 20786104), (2, 10393052), (4, 5196526), (8, 2598263), (17, 1222712), (34, 611356), (68, 305678), (136, 152839)]