20244540188

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{208991}}^1$

素因数の和:209453

約数の個数: 24

約数和(自身を含む): 36099606144

約数和(自身を除く): 15855065956

約数列:

[1, 2, 4, 61, 122, 244, 397, 794, 1588, 24217, 48434, 96868, 208991, 417982, 835964, 12748451, 25496902, 50993804, 82969427, 165938854, 331877708, 5061135047, 10122270094, 20244540188]

約数ペア:

[(1, 20244540188), (2, 10122270094), (4, 5061135047), (61, 331877708), (122, 165938854), (244, 82969427), (397, 50993804), (794, 25496902), (1588, 12748451), (24217, 835964), (48434, 417982), (96868, 208991)]