20512762017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{769}}^1\times {\mathrm{1607}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 29953566720

約数和(自身を除く): 9440804703

約数列:

[1, 3, 11, 33, 503, 769, 1509, 1607, 2307, 4821, 5533, 8459, 16599, 17677, 25377, 53031, 386807, 808321, 1160421, 1235783, 2424963, 3707349, 4254877, 8891531, 12764631, 13593613, 26674593, 40780839, 621598849, 1864796547, 6837587339, 20512762017]

約数ペア:

[(1, 20512762017), (3, 6837587339), (11, 1864796547), (33, 621598849), (503, 40780839), (769, 26674593), (1509, 13593613), (1607, 12764631), (2307, 8891531), (4821, 4254877), (5533, 3707349), (8459, 2424963), (16599, 1235783), (17677, 1160421), (25377, 808321), (53031, 386807)]