20406772

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{49531}}^1$

素因数の和:49638

約数の個数: 12

約数和(自身を含む): 36059296

約数和(自身を除く): 15652524

約数列:

[1, 2, 4, 103, 206, 412, 49531, 99062, 198124, 5101693, 10203386, 20406772]

約数ペア:

[(1, 20406772), (2, 10203386), (4, 5101693), (103, 198124), (206, 99062), (412, 49531)]