20822895

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3329}}^1$

素因数の和:3479

約数の個数: 24

約数和(自身を含む): 36363600

約数和(自身を除く): 15540705

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 3329, 6255, 9987, 16645, 29961, 49935, 149805, 462731, 1388193, 2313655, 4164579, 6940965, 20822895]

約数ペア:

[(1, 20822895), (3, 6940965), (5, 4164579), (9, 2313655), (15, 1388193), (45, 462731), (139, 149805), (417, 49935), (695, 29961), (1251, 16645), (2085, 9987), (3329, 6255)]