20941754

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 31918848

約数和(自身を除く): 10977094

約数列:

[1, 2, 103, 206, 277, 367, 554, 734, 28531, 37801, 57062, 75602, 101659, 203318, 10470877, 20941754]

約数ペア:

[(1, 20941754), (2, 10470877), (103, 203318), (206, 101659), (277, 75602), (367, 57062), (554, 37801), (734, 28531)]