20199779380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1953557}}^1$

素因数の和:1953624

約数の個数: 48

約数和(自身を含む): 47260475136

約数和(自身を除く): 27060695756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 1953557, 3907114, 7814228, 9767785, 19535570, 21489127, 39071140, 42978254, 85956508, 91817179, 107445635, 183634358, 214891270, 367268716, 429782540, 459085895, 918171790, 1009988969, 1836343580, 2019977938, 4039955876, 5049944845, 10099889690, 20199779380]

約数ペア:

[(1, 20199779380), (2, 10099889690), (4, 5049944845), (5, 4039955876), (10, 2019977938), (11, 1836343580), (20, 1009988969), (22, 918171790), (44, 459085895), (47, 429782540), (55, 367268716), (94, 214891270), (110, 183634358), (188, 107445635), (220, 91817179), (235, 85956508), (470, 42978254), (517, 39071140), (940, 21489127), (1034, 19535570), (2068, 9767785), (2585, 7814228), (5170, 3907114), (10340, 1953557)]