20179728

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3316

約数の個数: 60

約数和(自身を含む): 57806320

約数和(自身を除く): 37626592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3259, 6192, 6518, 9777, 13036, 19554, 26072, 29331, 39108, 52144, 58662, 78216, 117324, 140137, 156432, 234648, 280274, 420411, 469296, 560548, 840822, 1121096, 1261233, 1681644, 2242192, 2522466, 3363288, 5044932, 6726576, 10089864, 20179728]

約数ペア:

[(1, 20179728), (2, 10089864), (3, 6726576), (4, 5044932), (6, 3363288), (8, 2522466), (9, 2242192), (12, 1681644), (16, 1261233), (18, 1121096), (24, 840822), (36, 560548), (43, 469296), (48, 420411), (72, 280274), (86, 234648), (129, 156432), (144, 140137), (172, 117324), (258, 78216), (344, 58662), (387, 52144), (516, 39108), (688, 29331), (774, 26072), (1032, 19554), (1548, 13036), (2064, 9777), (3096, 6518), (3259, 6192)]