20153996721

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32454101}}^1$

素因数の和:32454133

約数の個数: 16

約数和(自身を含む): 31155937920

約数和(自身を除く): 11001941199

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32454101, 97362303, 292086909, 746444323, 876260727, 2239332969, 6717998907, 20153996721]

約数ペア:

[(1, 20153996721), (3, 6717998907), (9, 2239332969), (23, 876260727), (27, 746444323), (69, 292086909), (207, 97362303), (621, 32454101)]