20285499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3313}}^1$

素因数の和:3486

約数の個数: 16

約数和(自身を含む): 29322272

約数和(自身を除く): 9036773

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3313, 6123, 9939, 43069, 129207, 520141, 1560423, 6761833, 20285499]

約数ペア:

[(1, 20285499), (3, 6761833), (13, 1560423), (39, 520141), (157, 129207), (471, 43069), (2041, 9939), (3313, 6123)]