20184839991

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{2243}}^1\times {\mathrm{14083}}^1$

素因数の和:16403

約数の個数: 24

約数和(自身を含む): 29581808256

約数和(自身を除く): 9396968265

約数列:

[1, 3, 9, 71, 213, 639, 2243, 6729, 14083, 20187, 42249, 126747, 159253, 477759, 999893, 1433277, 2999679, 8999037, 31588169, 94764507, 284293521, 2242759999, 6728279997, 20184839991]

約数ペア:

[(1, 20184839991), (3, 6728279997), (9, 2242759999), (71, 284293521), (213, 94764507), (639, 31588169), (2243, 8999037), (6729, 2999679), (14083, 1433277), (20187, 999893), (42249, 477759), (126747, 159253)]