20193047

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{4001}}^1$

素因数の和:4118

約数の個数: 12

約数和(自身を含む): 23723856

約数和(自身を除く): 3530809

約数列:

[1, 7, 49, 103, 721, 4001, 5047, 28007, 196049, 412103, 2884721, 20193047]

約数ペア:

[(1, 20193047), (7, 2884721), (49, 412103), (103, 196049), (721, 28007), (4001, 5047)]