20139949917

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{27997}}^1$

素因数の和:28199

約数の個数: 40

約数和(自身を含む): 30733740576

約数和(自身を除く): 10593790659

約数列:

[1, 3, 9, 27, 81, 83, 107, 249, 321, 747, 963, 2241, 2889, 6723, 8667, 8881, 26643, 27997, 79929, 83991, 239787, 251973, 719361, 755919, 2267757, 2323751, 2995679, 6971253, 8987037, 20913759, 26961111, 62741277, 80883333, 188223831, 242649999, 248641357, 745924071, 2237772213, 6713316639, 20139949917]

約数ペア:

[(1, 20139949917), (3, 6713316639), (9, 2237772213), (27, 745924071), (81, 248641357), (83, 242649999), (107, 188223831), (249, 80883333), (321, 62741277), (747, 26961111), (963, 20913759), (2241, 8987037), (2889, 6971253), (6723, 2995679), (8667, 2323751), (8881, 2267757), (26643, 755919), (27997, 719361), (79929, 251973), (83991, 239787)]