20946000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3491}}^1$

素因数の和:3517

約数の個数: 80

約数和(自身を含む): 67549248

約数和(自身を除く): 46603248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3491, 6000, 6982, 10473, 13964, 17455, 20946, 27928, 34910, 41892, 52365, 55856, 69820, 83784, 87275, 104730, 139640, 167568, 174550, 209460, 261825, 279280, 349100, 418920, 436375, 523650, 698200, 837840, 872750, 1047300, 1309125, 1396400, 1745500, 2094600, 2618250, 3491000, 4189200, 5236500, 6982000, 10473000, 20946000]

約数ペア:

[(1, 20946000), (2, 10473000), (3, 6982000), (4, 5236500), (5, 4189200), (6, 3491000), (8, 2618250), (10, 2094600), (12, 1745500), (15, 1396400), (16, 1309125), (20, 1047300), (24, 872750), (25, 837840), (30, 698200), (40, 523650), (48, 436375), (50, 418920), (60, 349100), (75, 279280), (80, 261825), (100, 209460), (120, 174550), (125, 167568), (150, 139640), (200, 104730), (240, 87275), (250, 83784), (300, 69820), (375, 55856), (400, 52365), (500, 41892), (600, 34910), (750, 27928), (1000, 20946), (1200, 17455), (1500, 13964), (2000, 10473), (3000, 6982), (3491, 6000)]