20145128871

素因数分解:

$3^1\times 7^2\times {\mathrm{14057}}^1\times {\mathrm{9749}}^1$

素因数の和:23823

約数の個数: 24

約数和(自身を含む): 31250934000

約数和(自身を除く): 11105805129

約数列:

[1, 3, 7, 21, 49, 147, 9749, 14057, 29247, 42171, 68243, 98399, 204729, 295197, 477701, 688793, 1433103, 2066379, 137041693, 411125079, 959291851, 2877875553, 6715042957, 20145128871]

約数ペア:

[(1, 20145128871), (3, 6715042957), (7, 2877875553), (21, 959291851), (49, 411125079), (147, 137041693), (9749, 2066379), (14057, 1433103), (29247, 688793), (42171, 477701), (68243, 295197), (98399, 204729)]