20659800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4919}}^1$

素因数の和:4945

約数の個数: 96

約数和(自身を含む): 73209600

約数和(自身を除く): 52549800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4919, 9838, 14757, 19676, 24595, 29514, 34433, 39352, 49190, 59028, 68866, 73785, 98380, 103299, 118056, 122975, 137732, 147570, 172165, 196760, 206598, 245950, 275464, 295140, 344330, 368925, 413196, 491900, 516495, 590280, 688660, 737850, 826392, 860825, 983800, 1032990, 1377320, 1475700, 1721650, 2065980, 2582475, 2951400, 3443300, 4131960, 5164950, 6886600, 10329900, 20659800]

約数ペア:

[(1, 20659800), (2, 10329900), (3, 6886600), (4, 5164950), (5, 4131960), (6, 3443300), (7, 2951400), (8, 2582475), (10, 2065980), (12, 1721650), (14, 1475700), (15, 1377320), (20, 1032990), (21, 983800), (24, 860825), (25, 826392), (28, 737850), (30, 688660), (35, 590280), (40, 516495), (42, 491900), (50, 413196), (56, 368925), (60, 344330), (70, 295140), (75, 275464), (84, 245950), (100, 206598), (105, 196760), (120, 172165), (140, 147570), (150, 137732), (168, 122975), (175, 118056), (200, 103299), (210, 98380), (280, 73785), (300, 68866), (350, 59028), (420, 49190), (525, 39352), (600, 34433), (700, 29514), (840, 24595), (1050, 19676), (1400, 14757), (2100, 9838), (4200, 4919)]