20117994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2659}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 43794240

約数和(自身を除く): 23676246

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2659, 3783, 5318, 7566, 7977, 15954, 34567, 69134, 103701, 207402, 257923, 515846, 773769, 1547538, 3352999, 6705998, 10058997, 20117994]

約数ペア:

[(1, 20117994), (2, 10058997), (3, 6705998), (6, 3352999), (13, 1547538), (26, 773769), (39, 515846), (78, 257923), (97, 207402), (194, 103701), (291, 69134), (582, 34567), (1261, 15954), (2522, 7977), (2659, 7566), (3783, 5318)]