216822020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{85363}}^1$

素因数の和:85499

約数の個数: 24

約数和(自身を含む): 458916864

約数和(自身を除く): 242094844

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 85363, 170726, 341452, 426815, 853630, 1707260, 10841101, 21682202, 43364404, 54205505, 108411010, 216822020]

約数ペア:

[(1, 216822020), (2, 108411010), (4, 54205505), (5, 43364404), (10, 21682202), (20, 10841101), (127, 1707260), (254, 853630), (508, 426815), (635, 341452), (1270, 170726), (2540, 85363)]