22389820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9907}}^1$

素因数の和:10029

約数の個数: 24

約数和(自身を含む): 47439504

約数和(自身を除く): 25049684

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9907, 19814, 39628, 49535, 99070, 198140, 1119491, 2238982, 4477964, 5597455, 11194910, 22389820]

約数ペア:

[(1, 22389820), (2, 11194910), (4, 5597455), (5, 4477964), (10, 2238982), (20, 1119491), (113, 198140), (226, 99070), (452, 49535), (565, 39628), (1130, 19814), (2260, 9907)]