20647650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 30911550

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 179, 358, 537, 769, 895, 1074, 1538, 1790, 2307, 2685, 3845, 4475, 4614, 5370, 7690, 8950, 11535, 13425, 19225, 23070, 26850, 38450, 57675, 115350, 137651, 275302, 412953, 688255, 825906, 1376510, 2064765, 3441275, 4129530, 6882550, 10323825, 20647650]

約数ペア:

[(1, 20647650), (2, 10323825), (3, 6882550), (5, 4129530), (6, 3441275), (10, 2064765), (15, 1376510), (25, 825906), (30, 688255), (50, 412953), (75, 275302), (150, 137651), (179, 115350), (358, 57675), (537, 38450), (769, 26850), (895, 23070), (1074, 19225), (1538, 13425), (1790, 11535), (2307, 8950), (2685, 7690), (3845, 5370), (4475, 4614)]