20151951

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8623}}^1$

素因数の和:8686

約数の個数: 16

約数和(自身を含む): 28976640

約数和(自身を除く): 8824689

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8623, 25869, 163837, 353543, 491511, 1060629, 6717317, 20151951]

約数ペア:

[(1, 20151951), (3, 6717317), (19, 1060629), (41, 491511), (57, 353543), (123, 163837), (779, 25869), (2337, 8623)]