20328819

素因数分解:

$3^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1289}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 31042560

約数和(自身を除く): 10713741

約数列:

[1, 3, 7, 21, 751, 1289, 2253, 3867, 5257, 9023, 15771, 27069, 968039, 2904117, 6776273, 20328819]

約数ペア:

[(1, 20328819), (3, 6776273), (7, 2904117), (21, 968039), (751, 27069), (1289, 15771), (2253, 9023), (3867, 5257)]