20415690028

素因数分解:

$2^2\times {\mathrm{126001}}^1\times {\mathrm{40507}}^1$

素因数の和:166512

約数の個数: 12

約数和(自身を含む): 35728623112

約数和(自身を除く): 15312933084

約数列:

[1, 2, 4, 40507, 81014, 126001, 162028, 252002, 504004, 5103922507, 10207845014, 20415690028]

約数ペア:

[(1, 20415690028), (2, 10207845014), (4, 5103922507), (40507, 504004), (81014, 252002), (126001, 162028)]