20214620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4229}}^1$

素因数の和:4477

約数の個数: 24

約数和(自身を含む): 42638400

約数和(自身を除く): 22423780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4229, 4780, 8458, 16916, 21145, 42290, 84580, 1010731, 2021462, 4042924, 5053655, 10107310, 20214620]

約数ペア:

[(1, 20214620), (2, 10107310), (4, 5053655), (5, 4042924), (10, 2021462), (20, 1010731), (239, 84580), (478, 42290), (956, 21145), (1195, 16916), (2390, 8458), (4229, 4780)]