20206389

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31039}}^1$

素因数の和:31080

約数の個数: 16

約数和(自身を含む): 31784960

約数和(自身を除く): 11578571

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31039, 93117, 217273, 651819, 962209, 2886627, 6735463, 20206389]

約数ペア:

[(1, 20206389), (3, 6735463), (7, 2886627), (21, 962209), (31, 651819), (93, 217273), (217, 93117), (651, 31039)]