20651331

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 28344960

約数和(自身を除く): 7693629

約数列:

[1, 3, 41, 123, 379, 443, 1137, 1329, 15539, 18163, 46617, 54489, 167897, 503691, 6883777, 20651331]

約数ペア:

[(1, 20651331), (3, 6883777), (41, 503691), (123, 167897), (379, 54489), (443, 46617), (1137, 18163), (1329, 15539)]