20680017

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 28366848

約数和(自身を除く): 7686831

約数列:

[1, 3, 53, 113, 159, 339, 1151, 3453, 5989, 17967, 61003, 130063, 183009, 390189, 6893339, 20680017]

約数ペア:

[(1, 20680017), (3, 6893339), (53, 390189), (113, 183009), (159, 130063), (339, 61003), (1151, 17967), (3453, 5989)]