20904160824

素因数分解:

$2^3\times 3^2\times {\mathrm{811}}^1\times {\mathrm{357997}}^1$

素因数の和:358820

約数の個数: 48

約数和(自身を含む): 56685403320

約数和(自身を除く): 35781242496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 811, 1622, 2433, 3244, 4866, 6488, 7299, 9732, 14598, 19464, 29196, 58392, 357997, 715994, 1073991, 1431988, 2147982, 2863976, 3221973, 4295964, 6443946, 8591928, 12887892, 25775784, 290335567, 580671134, 871006701, 1161342268, 1742013402, 2322684536, 2613020103, 3484026804, 5226040206, 6968053608, 10452080412, 20904160824]

約数ペア:

[(1, 20904160824), (2, 10452080412), (3, 6968053608), (4, 5226040206), (6, 3484026804), (8, 2613020103), (9, 2322684536), (12, 1742013402), (18, 1161342268), (24, 871006701), (36, 580671134), (72, 290335567), (811, 25775784), (1622, 12887892), (2433, 8591928), (3244, 6443946), (4866, 4295964), (6488, 3221973), (7299, 2863976), (9732, 2147982), (14598, 1431988), (19464, 1073991), (29196, 715994), (58392, 357997)]