20483869

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 24956928

約数和(自身を除く): 4473059

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2707, 7567, 18949, 62261, 127229, 435827, 890603, 2926267, 20483869]

約数ペア:

[(1, 20483869), (7, 2926267), (23, 890603), (47, 435827), (161, 127229), (329, 62261), (1081, 18949), (2707, 7567)]