20881724

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3665

約数の個数: 24

約数和(自身を含む): 38535168

約数和(自身を除く): 17653444

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3583, 5828, 7166, 14332, 111073, 168401, 222146, 336802, 444292, 673604, 5220431, 10440862, 20881724]

約数ペア:

[(1, 20881724), (2, 10440862), (4, 5220431), (31, 673604), (47, 444292), (62, 336802), (94, 222146), (124, 168401), (188, 111073), (1457, 14332), (2914, 7166), (3583, 5828)]