20665452

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{21799}}^1$

素因数の和:21885

約数の個数: 24

約数和(自身を含む): 48832000

約数和(自身を除く): 28166548

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 21799, 43598, 65397, 87196, 130794, 261588, 1722121, 3444242, 5166363, 6888484, 10332726, 20665452]

約数ペア:

[(1, 20665452), (2, 10332726), (3, 6888484), (4, 5166363), (6, 3444242), (12, 1722121), (79, 261588), (158, 130794), (237, 87196), (316, 65397), (474, 43598), (948, 21799)]