20720414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5573}}^1$

素因数の和:5612

約数の個数: 24

約数和(自身を含む): 36721512

約数和(自身を除く): 16001098

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 5573, 11146, 61303, 72449, 122606, 144898, 796939, 941837, 1593878, 1883674, 10360207, 20720414]

約数ペア:

[(1, 20720414), (2, 10360207), (11, 1883674), (13, 1593878), (22, 941837), (26, 796939), (143, 144898), (169, 122606), (286, 72449), (338, 61303), (1859, 11146), (3718, 5573)]