20789439237

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{635821}}^1$

素因数の和:636010

約数の個数: 32

約数和(自身を含む): 35402568960

約数和(自身を除く): 14613129723

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 3633, 4671, 10899, 32697, 635821, 1907463, 4450747, 5722389, 13352241, 17167167, 40056723, 109997033, 120170169, 329991099, 769979231, 989973297, 2309937693, 2969919891, 6929813079, 20789439237]

約数ペア:

[(1, 20789439237), (3, 6929813079), (7, 2969919891), (9, 2309937693), (21, 989973297), (27, 769979231), (63, 329991099), (173, 120170169), (189, 109997033), (519, 40056723), (1211, 17167167), (1557, 13352241), (3633, 5722389), (4671, 4450747), (10899, 1907463), (32697, 635821)]