20215850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17579}}^1$

素因数の和:17614

約数の個数: 24

約数和(自身を含む): 39238560

約数和(自身を除く): 19022710

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17579, 35158, 87895, 175790, 404317, 439475, 808634, 878950, 2021585, 4043170, 10107925, 20215850]

約数ペア:

[(1, 20215850), (2, 10107925), (5, 4043170), (10, 2021585), (23, 878950), (25, 808634), (46, 439475), (50, 404317), (115, 175790), (230, 87895), (575, 35158), (1150, 17579)]