20840963

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8573}}^1$

素因数の和:8614

約数の個数: 16

約数和(自身を含む): 25927776

約数和(自身を除く): 5086813

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8573, 94303, 111449, 145741, 1225939, 1603151, 1894633, 20840963]

約数ペア:

[(1, 20840963), (11, 1894633), (13, 1603151), (17, 1225939), (143, 145741), (187, 111449), (221, 94303), (2431, 8573)]