20939577

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5483}}^1$

素因数の和:5572

約数の個数: 16

約数和(自身を含む): 29832960

約数和(自身を除く): 8893383

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5483, 16449, 104177, 312531, 367361, 1102083, 6979859, 20939577]

約数ペア:

[(1, 20939577), (3, 6979859), (19, 1102083), (57, 367361), (67, 312531), (201, 104177), (1273, 16449), (3819, 5483)]