20428402

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 31217472

約数和(自身を除く): 10789070

約数列:

[1, 2, 103, 131, 206, 262, 757, 1514, 13493, 26986, 77971, 99167, 155942, 198334, 10214201, 20428402]

約数ペア:

[(1, 20428402), (2, 10214201), (103, 198334), (131, 155942), (206, 99167), (262, 77971), (757, 26986), (1514, 13493)]