15220220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3863}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 32133024

約数和(自身を除く): 16912804

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3863, 3940, 7726, 15452, 19315, 38630, 77260, 761011, 1522022, 3044044, 3805055, 7610110, 15220220]

約数ペア:

[(1, 15220220), (2, 7610110), (4, 3805055), (5, 3044044), (10, 1522022), (20, 761011), (197, 77260), (394, 38630), (788, 19315), (985, 15452), (1970, 7726), (3863, 3940)]