20346572

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 36232560

約数和(自身を除く): 15885988

約数列:

[1, 2, 4, 157, 179, 181, 314, 358, 362, 628, 716, 724, 28103, 28417, 32399, 56206, 56834, 64798, 112412, 113668, 129596, 5086643, 10173286, 20346572]

約数ペア:

[(1, 20346572), (2, 10173286), (4, 5086643), (157, 129596), (179, 113668), (181, 112412), (314, 64798), (358, 56834), (362, 56206), (628, 32399), (716, 28417), (724, 28103)]