20322561

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3571}}^1$

素因数の和:3852

約数の個数: 16

約数和(自身を含む): 31090688

約数和(自身を除く): 10768127

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3571, 5691, 10713, 24997, 74991, 967741, 2903223, 6774187, 20322561]

約数ペア:

[(1, 20322561), (3, 6774187), (7, 2903223), (21, 967741), (271, 74991), (813, 24997), (1897, 10713), (3571, 5691)]