20228910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51869}}^1$

素因数の和:51892

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 32056050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51869, 103738, 155607, 259345, 311214, 518690, 674297, 778035, 1348594, 1556070, 2022891, 3371485, 4045782, 6742970, 10114455, 20228910]

約数ペア:

[(1, 20228910), (2, 10114455), (3, 6742970), (5, 4045782), (6, 3371485), (10, 2022891), (13, 1556070), (15, 1348594), (26, 778035), (30, 674297), (39, 518690), (65, 311214), (78, 259345), (130, 155607), (195, 103738), (390, 51869)]