20885876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1847}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 40049856

約数和(自身を除く): 19163980

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1847, 2827, 3694, 5654, 7388, 11308, 20317, 40634, 81268, 474679, 949358, 1898716, 5221469, 10442938, 20885876]

約数ペア:

[(1, 20885876), (2, 10442938), (4, 5221469), (11, 1898716), (22, 949358), (44, 474679), (257, 81268), (514, 40634), (1028, 20317), (1847, 11308), (2827, 7388), (3694, 5654)]