20918918

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{3571}}^1$

素因数の和:3703

約数の個数: 16

約数和(自身を含む): 32790960

約数和(自身を除く): 11872042

約数列:

[1, 2, 29, 58, 101, 202, 2929, 3571, 5858, 7142, 103559, 207118, 360671, 721342, 10459459, 20918918]

約数ペア:

[(1, 20918918), (2, 10459459), (29, 721342), (58, 360671), (101, 207118), (202, 103559), (2929, 7142), (3571, 5858)]