20532123

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 32617728

約数和(自身を除く): 12085605

約数列:

[1, 3, 9, 23, 27, 69, 81, 103, 107, 207, 309, 321, 621, 927, 963, 1863, 2369, 2461, 2781, 2889, 7107, 7383, 8343, 8667, 11021, 21321, 22149, 33063, 63963, 66447, 99189, 191889, 199341, 253483, 297567, 760449, 892701, 2281347, 6844041, 20532123]

約数ペア:

[(1, 20532123), (3, 6844041), (9, 2281347), (23, 892701), (27, 760449), (69, 297567), (81, 253483), (103, 199341), (107, 191889), (207, 99189), (309, 66447), (321, 63963), (621, 33063), (927, 22149), (963, 21321), (1863, 11021), (2369, 8667), (2461, 8343), (2781, 7383), (2889, 7107)]