20257800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1815

約数の個数: 96

約数和(自身を含む): 66141600

約数和(自身を除く): 45883800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 380, 456, 475, 570, 600, 760, 950, 1140, 1425, 1777, 1900, 2280, 2850, 3554, 3800, 5331, 5700, 7108, 8885, 10662, 11400, 14216, 17770, 21324, 26655, 33763, 35540, 42648, 44425, 53310, 67526, 71080, 88850, 101289, 106620, 133275, 135052, 168815, 177700, 202578, 213240, 266550, 270104, 337630, 355400, 405156, 506445, 533100, 675260, 810312, 844075, 1012890, 1066200, 1350520, 1688150, 2025780, 2532225, 3376300, 4051560, 5064450, 6752600, 10128900, 20257800]

約数ペア:

[(1, 20257800), (2, 10128900), (3, 6752600), (4, 5064450), (5, 4051560), (6, 3376300), (8, 2532225), (10, 2025780), (12, 1688150), (15, 1350520), (19, 1066200), (20, 1012890), (24, 844075), (25, 810312), (30, 675260), (38, 533100), (40, 506445), (50, 405156), (57, 355400), (60, 337630), (75, 270104), (76, 266550), (95, 213240), (100, 202578), (114, 177700), (120, 168815), (150, 135052), (152, 133275), (190, 106620), (200, 101289), (228, 88850), (285, 71080), (300, 67526), (380, 53310), (456, 44425), (475, 42648), (570, 35540), (600, 33763), (760, 26655), (950, 21324), (1140, 17770), (1425, 14216), (1777, 11400), (1900, 10662), (2280, 8885), (2850, 7108), (3554, 5700), (3800, 5331)]