20512019938

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{13399}}^1\times {\mathrm{9689}}^1$

素因数の和:23169

約数の個数: 16

約数和(自身を含む): 31163040000

約数和(自身を除く): 10651020062

約数列:

[1, 2, 79, 158, 9689, 13399, 19378, 26798, 765431, 1058521, 1530862, 2117042, 129822911, 259645822, 10256009969, 20512019938]

約数ペア:

[(1, 20512019938), (2, 10256009969), (79, 259645822), (158, 129822911), (9689, 2117042), (13399, 1530862), (19378, 1058521), (26798, 765431)]