20722797

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 10648179

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 797, 963, 2391, 2889, 7173, 8667, 21519, 26001, 64557, 85279, 193671, 255837, 767511, 2302533, 6907599, 20722797]

約数ペア:

[(1, 20722797), (3, 6907599), (9, 2302533), (27, 767511), (81, 255837), (107, 193671), (243, 85279), (321, 64557), (797, 26001), (963, 21519), (2391, 8667), (2889, 7173)]