20867832680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11099911}}^1$

素因数の和:11099969

約数の個数: 32

約数和(自身を含む): 47951619840

約数和(自身を除く): 27083787160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 11099911, 22199822, 44399644, 55499555, 88799288, 110999110, 221998220, 443996440, 521695817, 1043391634, 2086783268, 2608479085, 4173566536, 5216958170, 10433916340, 20867832680]

約数ペア:

[(1, 20867832680), (2, 10433916340), (4, 5216958170), (5, 4173566536), (8, 2608479085), (10, 2086783268), (20, 1043391634), (40, 521695817), (47, 443996440), (94, 221998220), (188, 110999110), (235, 88799288), (376, 55499555), (470, 44399644), (940, 22199822), (1880, 11099911)]