20031681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{769}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 28212800

約数和(自身を除く): 8181119

約数列:

[1, 3, 19, 57, 457, 769, 1371, 2307, 8683, 14611, 26049, 43833, 351433, 1054299, 6677227, 20031681]

約数ペア:

[(1, 20031681), (3, 6677227), (19, 1054299), (57, 351433), (457, 43833), (769, 26049), (1371, 14611), (2307, 8683)]