20527831920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1989131}}^1$

素因数の和:1989190

約数の個数: 80

約数和(自身を含む): 65116225152

約数和(自身を除く): 44588393232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 1989131, 3978262, 5967393, 7956524, 9945655, 11934786, 15913048, 19891310, 23869572, 29836965, 31826096, 39782620, 47739144, 59673930, 79565240, 85532633, 95478288, 119347860, 159130480, 171065266, 238695720, 256597899, 342130532, 427663165, 477391440, 513195798, 684261064, 855326330, 1026391596, 1282989495, 1368522128, 1710652660, 2052783192, 2565978990, 3421305320, 4105566384, 5131957980, 6842610640, 10263915960, 20527831920]

約数ペア:

[(1, 20527831920), (2, 10263915960), (3, 6842610640), (4, 5131957980), (5, 4105566384), (6, 3421305320), (8, 2565978990), (10, 2052783192), (12, 1710652660), (15, 1368522128), (16, 1282989495), (20, 1026391596), (24, 855326330), (30, 684261064), (40, 513195798), (43, 477391440), (48, 427663165), (60, 342130532), (80, 256597899), (86, 238695720), (120, 171065266), (129, 159130480), (172, 119347860), (215, 95478288), (240, 85532633), (258, 79565240), (344, 59673930), (430, 47739144), (516, 39782620), (645, 31826096), (688, 29836965), (860, 23869572), (1032, 19891310), (1290, 15913048), (1720, 11934786), (2064, 9945655), (2580, 7956524), (3440, 5967393), (5160, 3978262), (10320, 1989131)]