20223318724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{144539}}^1$

素因数の和:144832

約数の個数: 48

約数和(自身を含む): 42737587200

約数和(自身を除く): 22514268476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 526, 532, 1052, 1841, 3682, 4997, 7364, 9994, 19988, 34979, 69958, 139916, 144539, 289078, 578156, 1011773, 2023546, 2746241, 4047092, 5492482, 10984964, 19223687, 38013757, 38447374, 76027514, 76894748, 152055028, 266096299, 532192598, 722261383, 1064385196, 1444522766, 2889045532, 5055829681, 10111659362, 20223318724]

約数ペア:

[(1, 20223318724), (2, 10111659362), (4, 5055829681), (7, 2889045532), (14, 1444522766), (19, 1064385196), (28, 722261383), (38, 532192598), (76, 266096299), (133, 152055028), (263, 76894748), (266, 76027514), (526, 38447374), (532, 38013757), (1052, 19223687), (1841, 10984964), (3682, 5492482), (4997, 4047092), (7364, 2746241), (9994, 2023546), (19988, 1011773), (34979, 578156), (69958, 289078), (139916, 144539)]