20192409

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2902

約数の個数: 20

約数和(自身を含む): 30513780

約数和(自身を除く): 10321371

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2801, 7209, 8403, 25209, 75627, 226881, 249289, 747867, 2243601, 6730803, 20192409]

約数ペア:

[(1, 20192409), (3, 6730803), (9, 2243601), (27, 747867), (81, 249289), (89, 226881), (267, 75627), (801, 25209), (2403, 8403), (2801, 7209)]