20464569

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{797}}^1$

素因数の和:1126

約数の個数: 20

約数和(自身を含む): 30705444

約数和(自身を除く): 10240875

約数列:

[1, 3, 9, 27, 81, 317, 797, 951, 2391, 2853, 7173, 8559, 21519, 25677, 64557, 252649, 757947, 2273841, 6821523, 20464569]

約数ペア:

[(1, 20464569), (3, 6821523), (9, 2273841), (27, 757947), (81, 252649), (317, 64557), (797, 25677), (951, 21519), (2391, 8559), (2853, 7173)]