20185711

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7698

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 5518289

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7649, 53543, 99437, 221821, 696059, 1552747, 2883673, 20185711]

約数ペア:

[(1, 20185711), (7, 2883673), (13, 1552747), (29, 696059), (91, 221821), (203, 99437), (377, 53543), (2639, 7649)]