20664477

素因数分解:

$3^5\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 31167136

約数和(自身を除く): 10502659

約数列:

[1, 3, 9, 27, 81, 243, 277, 307, 831, 921, 2493, 2763, 7479, 8289, 22437, 24867, 67311, 74601, 85039, 255117, 765351, 2296053, 6888159, 20664477]

約数ペア:

[(1, 20664477), (3, 6888159), (9, 2296053), (27, 765351), (81, 255117), (243, 85039), (277, 74601), (307, 67311), (831, 24867), (921, 22437), (2493, 8289), (2763, 7479)]