20781623522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2341}}^1\times {\mathrm{403511}}^1$

素因数の和:405865

約数の個数: 16

約数和(自身を含む): 34020903744

約数和(自身を除く): 13239280222

約数列:

[1, 2, 11, 22, 2341, 4682, 25751, 51502, 403511, 807022, 4438621, 8877242, 944619251, 1889238502, 10390811761, 20781623522]

約数ペア:

[(1, 20781623522), (2, 10390811761), (11, 1889238502), (22, 944619251), (2341, 8877242), (4682, 4438621), (25751, 807022), (51502, 403511)]