20928808

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35837}}^1$

素因数の和:35916

約数の個数: 16

約数和(自身を含む): 39780180

約数和(自身を除く): 18851372

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35837, 71674, 143348, 286696, 2616101, 5232202, 10464404, 20928808]

約数ペア:

[(1, 20928808), (2, 10464404), (4, 5232202), (8, 2616101), (73, 286696), (146, 143348), (292, 71674), (584, 35837)]