20353650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4679}}^1$

素因数の和:4723

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 31875150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4679, 9358, 14037, 23395, 28074, 46790, 70185, 116975, 135691, 140370, 233950, 271382, 350925, 407073, 678455, 701850, 814146, 1356910, 2035365, 3392275, 4070730, 6784550, 10176825, 20353650]

約数ペア:

[(1, 20353650), (2, 10176825), (3, 6784550), (5, 4070730), (6, 3392275), (10, 2035365), (15, 1356910), (25, 814146), (29, 701850), (30, 678455), (50, 407073), (58, 350925), (75, 271382), (87, 233950), (145, 140370), (150, 135691), (174, 116975), (290, 70185), (435, 46790), (725, 28074), (870, 23395), (1450, 14037), (2175, 9358), (4350, 4679)]