20051800

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 47106360

約数和(自身を除く): 27054560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 937, 1070, 1874, 2140, 2675, 3748, 4280, 4685, 5350, 7496, 9370, 10700, 18740, 21400, 23425, 37480, 46850, 93700, 100259, 187400, 200518, 401036, 501295, 802072, 1002590, 2005180, 2506475, 4010360, 5012950, 10025900, 20051800]

約数ペア:

[(1, 20051800), (2, 10025900), (4, 5012950), (5, 4010360), (8, 2506475), (10, 2005180), (20, 1002590), (25, 802072), (40, 501295), (50, 401036), (100, 200518), (107, 187400), (200, 100259), (214, 93700), (428, 46850), (535, 37480), (856, 23425), (937, 21400), (1070, 18740), (1874, 10700), (2140, 9370), (2675, 7496), (3748, 5350), (4280, 4685)]