20811193535

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47057}}^1$

素因数の和:47144

約数の個数: 48

約数和(自身を含む): 29741408928

約数和(自身を除く): 8930215393

約数列:

[1, 5, 11, 17, 43, 55, 85, 121, 187, 215, 473, 605, 731, 935, 2057, 2365, 3655, 5203, 8041, 10285, 26015, 40205, 47057, 88451, 235285, 442255, 517627, 799969, 2023451, 2588135, 3999845, 5693897, 8799659, 10117255, 22257961, 28469485, 34398667, 43998295, 96796249, 111289805, 171993335, 244837571, 378385337, 483981245, 1224187855, 1891926685, 4162238707, 20811193535]

約数ペア:

[(1, 20811193535), (5, 4162238707), (11, 1891926685), (17, 1224187855), (43, 483981245), (55, 378385337), (85, 244837571), (121, 171993335), (187, 111289805), (215, 96796249), (473, 43998295), (605, 34398667), (731, 28469485), (935, 22257961), (2057, 10117255), (2365, 8799659), (3655, 5693897), (5203, 3999845), (8041, 2588135), (10285, 2023451), (26015, 799969), (40205, 517627), (47057, 442255), (88451, 235285)]