20648047

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4511633

約数列:

[1, 7, 17, 119, 167, 1039, 1169, 2839, 7273, 17663, 19873, 123641, 173513, 1214591, 2949721, 20648047]

約数ペア:

[(1, 20648047), (7, 2949721), (17, 1214591), (119, 173513), (167, 123641), (1039, 19873), (1169, 17663), (2839, 7273)]