220132420

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{9749}}^1$

素因数の和:10887

約数の個数: 24

約数和(自身を含む): 462735000

約数和(自身を除く): 242602580

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 9749, 11290, 19498, 22580, 38996, 48745, 97490, 194980, 11006621, 22013242, 44026484, 55033105, 110066210, 220132420]

約数ペア:

[(1, 220132420), (2, 110066210), (4, 55033105), (5, 44026484), (10, 22013242), (20, 11006621), (1129, 194980), (2258, 97490), (4516, 48745), (5645, 38996), (9749, 22580), (11290, 19498)]