20628945

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3727}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 37578240

約数和(自身を除く): 16949295

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3727, 5535, 11181, 18635, 33543, 55905, 100629, 152807, 167715, 458421, 503145, 764035, 1375263, 2292105, 4125789, 6876315, 20628945]

約数ペア:

[(1, 20628945), (3, 6876315), (5, 4125789), (9, 2292105), (15, 1375263), (27, 764035), (41, 503145), (45, 458421), (123, 167715), (135, 152807), (205, 100629), (369, 55905), (615, 33543), (1107, 18635), (1845, 11181), (3727, 5535)]