20620666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2237}}^1$

素因数の和:2669

約数の個数: 16

約数和(自身を含む): 33838560

約数和(自身を除く): 13217894

約数列:

[1, 2, 11, 22, 419, 838, 2237, 4474, 4609, 9218, 24607, 49214, 937303, 1874606, 10310333, 20620666]

約数ペア:

[(1, 20620666), (2, 10310333), (11, 1874606), (22, 937303), (419, 49214), (838, 24607), (2237, 9218), (4474, 4609)]