20188693767

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1\times {\mathrm{20641}}^1$

素因数の和:21039

約数の個数: 32

約数和(自身を含む): 29748259584

約数和(自身を除く): 9559565817

約数列:

[1, 3, 11, 33, 107, 277, 321, 831, 1177, 3047, 3531, 9141, 20641, 29639, 61923, 88917, 227051, 326029, 681153, 978087, 2208587, 5717557, 6625761, 17152671, 24294457, 62893127, 72883371, 188679381, 611778599, 1835335797, 6729564589, 20188693767]

約数ペア:

[(1, 20188693767), (3, 6729564589), (11, 1835335797), (33, 611778599), (107, 188679381), (277, 72883371), (321, 62893127), (831, 24294457), (1177, 17152671), (3047, 6625761), (3531, 5717557), (9141, 2208587), (20641, 978087), (29639, 681153), (61923, 326029), (88917, 227051)]