20385659

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 24526848

約数和(自身を除く): 4141189

約数列:

[1, 7, 23, 127, 161, 889, 997, 2921, 6979, 20447, 22931, 126619, 160517, 886333, 2912237, 20385659]

約数ペア:

[(1, 20385659), (7, 2912237), (23, 886333), (127, 160517), (161, 126619), (889, 22931), (997, 20447), (2921, 6979)]