20884995

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{953}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 36313056

約数和(自身を除く): 15428061

約数列:

[1, 3, 5, 9, 15, 45, 487, 953, 1461, 2435, 2859, 4383, 4765, 7305, 8577, 14295, 21915, 42885, 464111, 1392333, 2320555, 4176999, 6961665, 20884995]

約数ペア:

[(1, 20884995), (3, 6961665), (5, 4176999), (9, 2320555), (15, 1392333), (45, 464111), (487, 42885), (953, 21915), (1461, 14295), (2435, 8577), (2859, 7305), (4383, 4765)]