20903674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1889}}^1$

素因数の和:2405

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 13388486

約数列:

[1, 2, 11, 22, 503, 1006, 1889, 3778, 5533, 11066, 20779, 41558, 950167, 1900334, 10451837, 20903674]

約数ペア:

[(1, 20903674), (2, 10451837), (11, 1900334), (22, 950167), (503, 41558), (1006, 20779), (1889, 11066), (3778, 5533)]