20138521556

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{6211}}^1\times {\mathrm{4973}}^1$

素因数の和:11351

約数の個数: 24

約数和(自身を含む): 35471464224

約数和(自身を除く): 15332942668

約数列:

[1, 2, 4, 163, 326, 652, 4973, 6211, 9946, 12422, 19892, 24844, 810599, 1012393, 1621198, 2024786, 3242396, 4049572, 30887303, 61774606, 123549212, 5034630389, 10069260778, 20138521556]

約数ペア:

[(1, 20138521556), (2, 10069260778), (4, 5034630389), (163, 123549212), (326, 61774606), (652, 30887303), (4973, 4049572), (6211, 3242396), (9946, 2024786), (12422, 1621198), (19892, 1012393), (24844, 810599)]