20849404

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 37154880

約数和(自身を除く): 16305476

約数列:

[1, 2, 4, 113, 193, 226, 239, 386, 452, 478, 772, 956, 21809, 27007, 43618, 46127, 54014, 87236, 92254, 108028, 184508, 5212351, 10424702, 20849404]

約数ペア:

[(1, 20849404), (2, 10424702), (4, 5212351), (113, 184508), (193, 108028), (226, 92254), (239, 87236), (386, 54014), (452, 46127), (478, 43618), (772, 27007), (956, 21809)]