20131741

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 23989248

約数和(自身を除く): 3857507

約数列:

[1, 7, 31, 113, 217, 791, 821, 3503, 5747, 24521, 25451, 92773, 178157, 649411, 2875963, 20131741]

約数ペア:

[(1, 20131741), (7, 2875963), (31, 649411), (113, 178157), (217, 92773), (791, 25451), (821, 24521), (3503, 5747)]