20545173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 12083787

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1493, 1529, 4479, 4587, 13437, 13761, 16423, 49269, 147807, 207527, 622581, 1867743, 2282797, 6848391, 20545173]

約数ペア:

[(1, 20545173), (3, 6848391), (9, 2282797), (11, 1867743), (33, 622581), (99, 207527), (139, 147807), (417, 49269), (1251, 16423), (1493, 13761), (1529, 13437), (4479, 4587)]