20510700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9767}}^1$

素因数の和:9791

約数の個数: 72

約数和(自身を含む): 67828992

約数和(自身を除く): 47318292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9767, 19534, 29301, 39068, 48835, 58602, 68369, 97670, 117204, 136738, 146505, 195340, 205107, 244175, 273476, 293010, 341845, 410214, 488350, 586020, 683690, 732525, 820428, 976700, 1025535, 1367380, 1465050, 1709225, 2051070, 2930100, 3418450, 4102140, 5127675, 6836900, 10255350, 20510700]

約数ペア:

[(1, 20510700), (2, 10255350), (3, 6836900), (4, 5127675), (5, 4102140), (6, 3418450), (7, 2930100), (10, 2051070), (12, 1709225), (14, 1465050), (15, 1367380), (20, 1025535), (21, 976700), (25, 820428), (28, 732525), (30, 683690), (35, 586020), (42, 488350), (50, 410214), (60, 341845), (70, 293010), (75, 273476), (84, 244175), (100, 205107), (105, 195340), (140, 146505), (150, 136738), (175, 117204), (210, 97670), (300, 68369), (350, 58602), (420, 48835), (525, 39068), (700, 29301), (1050, 19534), (2100, 9767)]