20680200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11489}}^1$

素因数の和:11511

約数の個数: 72

約数和(自身を含む): 69457050

約数和(自身を除く): 48776850

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11489, 22978, 34467, 45956, 57445, 68934, 91912, 103401, 114890, 137868, 172335, 206802, 229780, 275736, 287225, 344670, 413604, 459560, 517005, 574450, 689340, 827208, 861675, 1034010, 1148900, 1378680, 1723350, 2068020, 2297800, 2585025, 3446700, 4136040, 5170050, 6893400, 10340100, 20680200]

約数ペア:

[(1, 20680200), (2, 10340100), (3, 6893400), (4, 5170050), (5, 4136040), (6, 3446700), (8, 2585025), (9, 2297800), (10, 2068020), (12, 1723350), (15, 1378680), (18, 1148900), (20, 1034010), (24, 861675), (25, 827208), (30, 689340), (36, 574450), (40, 517005), (45, 459560), (50, 413604), (60, 344670), (72, 287225), (75, 275736), (90, 229780), (100, 206802), (120, 172335), (150, 137868), (180, 114890), (200, 103401), (225, 91912), (300, 68934), (360, 57445), (450, 45956), (600, 34467), (900, 22978), (1800, 11489)]