20681100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2120

約数の個数: 108

約数和(自身を含む): 70750680

約数和(自身を除く): 50069580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2089, 2475, 3300, 4178, 4950, 6267, 8356, 9900, 10445, 12534, 18801, 20890, 22979, 25068, 31335, 37602, 41780, 45958, 52225, 62670, 68937, 75204, 91916, 94005, 104450, 114895, 125340, 137874, 156675, 188010, 206811, 208900, 229790, 275748, 313350, 344685, 376020, 413622, 459580, 470025, 574475, 626700, 689370, 827244, 940050, 1034055, 1148950, 1378740, 1723425, 1880100, 2068110, 2297900, 3446850, 4136220, 5170275, 6893700, 10340550, 20681100]

約数ペア:

[(1, 20681100), (2, 10340550), (3, 6893700), (4, 5170275), (5, 4136220), (6, 3446850), (9, 2297900), (10, 2068110), (11, 1880100), (12, 1723425), (15, 1378740), (18, 1148950), (20, 1034055), (22, 940050), (25, 827244), (30, 689370), (33, 626700), (36, 574475), (44, 470025), (45, 459580), (50, 413622), (55, 376020), (60, 344685), (66, 313350), (75, 275748), (90, 229790), (99, 208900), (100, 206811), (110, 188010), (132, 156675), (150, 137874), (165, 125340), (180, 114895), (198, 104450), (220, 94005), (225, 91916), (275, 75204), (300, 68937), (330, 62670), (396, 52225), (450, 45958), (495, 41780), (550, 37602), (660, 31335), (825, 25068), (900, 22979), (990, 20890), (1100, 18801), (1650, 12534), (1980, 10445), (2089, 9900), (2475, 8356), (3300, 6267), (4178, 4950)]