20229740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21521}}^1$

素因数の和:21577

約数の個数: 24

約数和(自身を含む): 43388352

約数和(自身を除く): 23158612

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21521, 43042, 86084, 107605, 215210, 430420, 1011487, 2022974, 4045948, 5057435, 10114870, 20229740]

約数ペア:

[(1, 20229740), (2, 10114870), (4, 5057435), (5, 4045948), (10, 2022974), (20, 1011487), (47, 430420), (94, 215210), (188, 107605), (235, 86084), (470, 43042), (940, 21521)]