20166472500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2688863}}^1$

素因数の和:2688890

約数の個数: 60

約数和(自身を含む): 58800077952

約数和(自身を除く): 38633605452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 2688863, 5377726, 8066589, 10755452, 13444315, 16133178, 26888630, 32266356, 40332945, 53777260, 67221575, 80665890, 134443150, 161331780, 201664725, 268886300, 336107875, 403329450, 672215750, 806658900, 1008323625, 1344431500, 1680539375, 2016647250, 3361078750, 4033294500, 5041618125, 6722157500, 10083236250, 20166472500]

約数ペア:

[(1, 20166472500), (2, 10083236250), (3, 6722157500), (4, 5041618125), (5, 4033294500), (6, 3361078750), (10, 2016647250), (12, 1680539375), (15, 1344431500), (20, 1008323625), (25, 806658900), (30, 672215750), (50, 403329450), (60, 336107875), (75, 268886300), (100, 201664725), (125, 161331780), (150, 134443150), (250, 80665890), (300, 67221575), (375, 53777260), (500, 40332945), (625, 32266356), (750, 26888630), (1250, 16133178), (1500, 13444315), (1875, 10755452), (2500, 8066589), (3750, 5377726), (7500, 2688863)]