20691600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 67992672

約数和(自身を除く): 47301072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 129, 150, 172, 200, 215, 240, 258, 300, 344, 400, 401, 430, 516, 600, 645, 688, 802, 860, 1032, 1075, 1200, 1203, 1290, 1604, 1720, 2005, 2064, 2150, 2406, 2580, 3208, 3225, 3440, 4010, 4300, 4812, 5160, 6015, 6416, 6450, 8020, 8600, 9624, 10025, 10320, 12030, 12900, 16040, 17200, 17243, 19248, 20050, 24060, 25800, 30075, 32080, 34486, 40100, 48120, 51600, 51729, 60150, 68972, 80200, 86215, 96240, 103458, 120300, 137944, 160400, 172430, 206916, 240600, 258645, 275888, 344860, 413832, 431075, 481200, 517290, 689720, 827664, 862150, 1034580, 1293225, 1379440, 1724300, 2069160, 2586450, 3448600, 4138320, 5172900, 6897200, 10345800, 20691600]

約数ペア:

[(1, 20691600), (2, 10345800), (3, 6897200), (4, 5172900), (5, 4138320), (6, 3448600), (8, 2586450), (10, 2069160), (12, 1724300), (15, 1379440), (16, 1293225), (20, 1034580), (24, 862150), (25, 827664), (30, 689720), (40, 517290), (43, 481200), (48, 431075), (50, 413832), (60, 344860), (75, 275888), (80, 258645), (86, 240600), (100, 206916), (120, 172430), (129, 160400), (150, 137944), (172, 120300), (200, 103458), (215, 96240), (240, 86215), (258, 80200), (300, 68972), (344, 60150), (400, 51729), (401, 51600), (430, 48120), (516, 40100), (600, 34486), (645, 32080), (688, 30075), (802, 25800), (860, 24060), (1032, 20050), (1075, 19248), (1200, 17243), (1203, 17200), (1290, 16040), (1604, 12900), (1720, 12030), (2005, 10320), (2064, 10025), (2150, 9624), (2406, 8600), (2580, 8020), (3208, 6450), (3225, 6416), (3440, 6015), (4010, 5160), (4300, 4812)]