20409807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10139}}^1$

素因数の和:10214

約数の個数: 16

約数和(自身を含む): 30176640

約数和(自身を除く): 9766833

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10139, 30417, 111529, 334587, 618479, 1855437, 6803269, 20409807]

約数ペア:

[(1, 20409807), (3, 6803269), (11, 1855437), (33, 618479), (61, 334587), (183, 111529), (671, 30417), (2013, 10139)]