20622161

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 25419264

約数和(自身を除く): 4797103

約数列:

[1, 7, 29, 31, 113, 203, 217, 791, 841, 899, 3277, 3503, 5887, 6293, 22939, 24521, 26071, 95033, 101587, 182497, 665231, 711109, 2946023, 20622161]

約数ペア:

[(1, 20622161), (7, 2946023), (29, 711109), (31, 665231), (113, 182497), (203, 101587), (217, 95033), (791, 26071), (841, 24521), (899, 22939), (3277, 6293), (3503, 5887)]