20138692797

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{1481}}^1$

素因数の和:2333

約数の個数: 56

約数和(自身を含む): 31567169088

約数和(自身を除く): 11428476291

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 811, 1481, 1863, 2433, 4443, 5589, 7299, 13329, 16767, 18653, 21897, 34063, 39987, 55959, 65691, 102189, 119961, 167877, 197073, 306567, 359883, 503631, 591219, 919701, 1079649, 1201091, 1510893, 2759103, 3603273, 4532679, 8277309, 10809819, 13598037, 24831927, 27625093, 32429457, 82875279, 97288371, 248625837, 291865113, 745877511, 875595339, 2237632533, 6712897599, 20138692797]

約数ペア:

[(1, 20138692797), (3, 6712897599), (9, 2237632533), (23, 875595339), (27, 745877511), (69, 291865113), (81, 248625837), (207, 97288371), (243, 82875279), (621, 32429457), (729, 27625093), (811, 24831927), (1481, 13598037), (1863, 10809819), (2433, 8277309), (4443, 4532679), (5589, 3603273), (7299, 2759103), (13329, 1510893), (16767, 1201091), (18653, 1079649), (21897, 919701), (34063, 591219), (39987, 503631), (55959, 359883), (65691, 306567), (102189, 197073), (119961, 167877)]