20615031

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 10969353

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 1997, 3441, 5991, 10323, 17973, 61907, 73889, 185721, 221667, 557163, 665001, 2290559, 6871677, 20615031]

約数ペア:

[(1, 20615031), (3, 6871677), (9, 2290559), (31, 665001), (37, 557163), (93, 221667), (111, 185721), (279, 73889), (333, 61907), (1147, 17973), (1997, 10323), (3441, 5991)]