202105780

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{5519}}^1$

素因数の和:7359

約数の個数: 24

約数和(自身を含む): 424730880

約数和(自身を除く): 222625100

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 5519, 7324, 9155, 11038, 18310, 22076, 27595, 36620, 55190, 110380, 10105289, 20210578, 40421156, 50526445, 101052890, 202105780]

約数ペア:

[(1, 202105780), (2, 101052890), (4, 50526445), (5, 40421156), (10, 20210578), (20, 10105289), (1831, 110380), (3662, 55190), (5519, 36620), (7324, 27595), (9155, 22076), (11038, 18310)]