20852968

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25307}}^1$

素因数の和:25416

約数の個数: 16

約数和(自身を含む): 39480480

約数和(自身を除く): 18627512

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25307, 50614, 101228, 202456, 2606621, 5213242, 10426484, 20852968]

約数ペア:

[(1, 20852968), (2, 10426484), (4, 5213242), (8, 2606621), (103, 202456), (206, 101228), (412, 50614), (824, 25307)]