20683286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 35532000

約数和(自身を除く): 14848714

約数列:

[1, 2, 13, 19, 26, 38, 149, 247, 281, 298, 494, 562, 1937, 2831, 3653, 3874, 5339, 5662, 7306, 10678, 36803, 41869, 69407, 73606, 83738, 138814, 544297, 795511, 1088594, 1591022, 10341643, 20683286]

約数ペア:

[(1, 20683286), (2, 10341643), (13, 1591022), (19, 1088594), (26, 795511), (38, 544297), (149, 138814), (247, 83738), (281, 73606), (298, 69407), (494, 41869), (562, 36803), (1937, 10678), (2831, 7306), (3653, 5662), (3874, 5339)]