20212762689

素因数分解:

$3^2\times 7^2\times {\mathrm{9631}}^1\times {\mathrm{4759}}^1$

素因数の和:14410

約数の個数: 36

約数和(自身を含む): 33973605120

約数和(自身を除く): 13760842431

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4759, 9631, 14277, 28893, 33313, 42831, 67417, 86679, 99939, 202251, 233191, 299817, 471919, 606753, 699573, 1415757, 2098719, 4247271, 45833929, 137501787, 320837503, 412505361, 962512509, 2245862521, 2887537527, 6737587563, 20212762689]

約数ペア:

[(1, 20212762689), (3, 6737587563), (7, 2887537527), (9, 2245862521), (21, 962512509), (49, 412505361), (63, 320837503), (147, 137501787), (441, 45833929), (4759, 4247271), (9631, 2098719), (14277, 1415757), (28893, 699573), (33313, 606753), (42831, 471919), (67417, 299817), (86679, 233191), (99939, 202251)]