20346891489

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{991999}}^1$

素因数の和:992101

約数の個数: 24

約数和(自身を含む): 30640896000

約数和(自身を除く): 10294004511

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 2279, 6837, 20511, 991999, 2975997, 8927991, 42655957, 52575947, 127967871, 157727841, 383903613, 473183523, 2260765721, 6782297163, 20346891489]

約数ペア:

[(1, 20346891489), (3, 6782297163), (9, 2260765721), (43, 473183523), (53, 383903613), (129, 157727841), (159, 127967871), (387, 52575947), (477, 42655957), (2279, 8927991), (6837, 2975997), (20511, 991999)]