20446785

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4021}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 35763624

約数和(自身を除く): 15316839

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4021, 5085, 12063, 20105, 36189, 60315, 180945, 454373, 1363119, 2271865, 4089357, 6815595, 20446785]

約数ペア:

[(1, 20446785), (3, 6815595), (5, 4089357), (9, 2271865), (15, 1363119), (45, 454373), (113, 180945), (339, 60315), (565, 36189), (1017, 20105), (1695, 12063), (4021, 5085)]