20169908040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{853211}}^1$

素因数の和:853422

約数の個数: 64

約数和(自身を含む): 60816951360

約数和(自身を除く): 40647043320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 11820, 23640, 853211, 1706422, 2559633, 3412844, 4266055, 5119266, 6825688, 8532110, 10238532, 12798165, 17064220, 20477064, 25596330, 34128440, 51192660, 102385320, 168082567, 336165134, 504247701, 672330268, 840412835, 1008495402, 1344660536, 1680825670, 2016990804, 2521238505, 3361651340, 4033981608, 5042477010, 6723302680, 10084954020, 20169908040]

約数ペア:

[(1, 20169908040), (2, 10084954020), (3, 6723302680), (4, 5042477010), (5, 4033981608), (6, 3361651340), (8, 2521238505), (10, 2016990804), (12, 1680825670), (15, 1344660536), (20, 1008495402), (24, 840412835), (30, 672330268), (40, 504247701), (60, 336165134), (120, 168082567), (197, 102385320), (394, 51192660), (591, 34128440), (788, 25596330), (985, 20477064), (1182, 17064220), (1576, 12798165), (1970, 10238532), (2364, 8532110), (2955, 6825688), (3940, 5119266), (4728, 4266055), (5910, 3412844), (7880, 2559633), (11820, 1706422), (23640, 853211)]