20390579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 22945920

約数和(自身を除く): 2555341

約数列:

[1, 11, 67, 73, 379, 737, 803, 4169, 4891, 25393, 27667, 53801, 279323, 304337, 1853689, 20390579]

約数ペア:

[(1, 20390579), (11, 1853689), (67, 304337), (73, 279323), (379, 53801), (737, 27667), (803, 25393), (4169, 4891)]