20168952921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4204493}}^1$

素因数の和:4204553

約数の個数: 24

約数和(自身を含む): 32139152136

約数和(自身を除く): 11970199215

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 4204493, 12613479, 37840437, 54658409, 163975227, 172384213, 491925681, 517152639, 1551457917, 2240994769, 6722984307, 20168952921]

約数ペア:

[(1, 20168952921), (3, 6722984307), (9, 2240994769), (13, 1551457917), (39, 517152639), (41, 491925681), (117, 172384213), (123, 163975227), (369, 54658409), (533, 37840437), (1599, 12613479), (4797, 4204493)]