31997020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145441}}^1$

素因数の和:145461

約数の個数: 24

約数和(自身を含む): 73302768

約数和(自身を除く): 41305748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 145441, 290882, 581764, 727205, 1454410, 1599851, 2908820, 3199702, 6399404, 7999255, 15998510, 31997020]

約数ペア:

[(1, 31997020), (2, 15998510), (4, 7999255), (5, 6399404), (10, 3199702), (11, 2908820), (20, 1599851), (22, 1454410), (44, 727205), (55, 581764), (110, 290882), (220, 145441)]