20199157419

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1270627}}^1$

素因数の和:1271394

約数の個数: 16

約数和(自身を含む): 30820352768

約数和(自身を除く): 10621195349

約数列:

[1, 3, 7, 21, 757, 2271, 5299, 15897, 1270627, 3811881, 8894389, 26683167, 961864639, 2885593917, 6733052473, 20199157419]

約数ペア:

[(1, 20199157419), (3, 6733052473), (7, 2885593917), (21, 961864639), (757, 26683167), (2271, 8894389), (5299, 3811881), (15897, 1270627)]