20017202405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1\times {\mathrm{2011}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 24994641408

約数和(自身を除く): 4977439003

約数列:

[1, 5, 43, 67, 215, 335, 691, 2011, 2881, 3455, 10055, 14405, 29713, 46297, 86473, 134737, 148565, 231485, 432365, 673685, 1389601, 1990771, 5793691, 6948005, 9953855, 28968455, 59752843, 93103267, 298764215, 465516335, 4003440481, 20017202405]

約数ペア:

[(1, 20017202405), (5, 4003440481), (43, 465516335), (67, 298764215), (215, 93103267), (335, 59752843), (691, 28968455), (2011, 9953855), (2881, 6948005), (3455, 5793691), (10055, 1990771), (14405, 1389601), (29713, 673685), (46297, 432365), (86473, 231485), (134737, 148565)]