20799658

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1494

約数の個数: 24

約数和(自身を含む): 34880580

約数和(自身を除く): 14080922

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1409, 2818, 7381, 14762, 15499, 30998, 85949, 170489, 171898, 340978, 945439, 1890878, 10399829, 20799658]

約数ペア:

[(1, 20799658), (2, 10399829), (11, 1890878), (22, 945439), (61, 340978), (121, 171898), (122, 170489), (242, 85949), (671, 30998), (1342, 15499), (1409, 14762), (2818, 7381)]