20884413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4831}}^1$

素因数の和:4976

約数の個数: 16

約数和(自身を含む): 30615552

約数和(自身を除く): 9731139

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4831, 14493, 53141, 159423, 632861, 1898583, 6961471, 20884413]

約数ペア:

[(1, 20884413), (3, 6961471), (11, 1898583), (33, 632861), (131, 159423), (393, 53141), (1441, 14493), (4323, 4831)]