20684550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 52027920

約数和(自身を除く): 31343370

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1889, 2190, 3650, 3778, 5475, 5667, 9445, 10950, 11334, 18890, 28335, 47225, 56670, 94450, 137897, 141675, 275794, 283350, 413691, 689485, 827382, 1378970, 2068455, 3447425, 4136910, 6894850, 10342275, 20684550]

約数ペア:

[(1, 20684550), (2, 10342275), (3, 6894850), (5, 4136910), (6, 3447425), (10, 2068455), (15, 1378970), (25, 827382), (30, 689485), (50, 413691), (73, 283350), (75, 275794), (146, 141675), (150, 137897), (219, 94450), (365, 56670), (438, 47225), (730, 28335), (1095, 18890), (1825, 11334), (1889, 10950), (2190, 9445), (3650, 5667), (3778, 5475)]