20461557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2657}}^1$

素因数の和:2828

約数の個数: 16

約数和(自身を含む): 29089152

約数和(自身を除く): 8627595

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2657, 7701, 7971, 45169, 135507, 401207, 1203621, 6820519, 20461557]

約数ペア:

[(1, 20461557), (3, 6820519), (17, 1203621), (51, 401207), (151, 135507), (453, 45169), (2567, 7971), (2657, 7701)]