22118420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13999}}^1$

素因数の和:14087

約数の個数: 24

約数和(自身を含む): 47040000

約数和(自身を除く): 24921580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13999, 27998, 55996, 69995, 139990, 279980, 1105921, 2211842, 4423684, 5529605, 11059210, 22118420]

約数ペア:

[(1, 22118420), (2, 11059210), (4, 5529605), (5, 4423684), (10, 2211842), (20, 1105921), (79, 279980), (158, 139990), (316, 69995), (395, 55996), (790, 27998), (1580, 13999)]