20408545256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1433}}^1\times {\mathrm{161839}}^1$

素因数の和:163289

約数の個数: 32

約数和(自身を含む): 41774140800

約数和(自身を除く): 21365595544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1433, 2866, 5732, 11464, 15763, 31526, 63052, 126104, 161839, 323678, 647356, 1294712, 1780229, 3560458, 7120916, 14241832, 231915287, 463830574, 927661148, 1855322296, 2551068157, 5102136314, 10204272628, 20408545256]

約数ペア:

[(1, 20408545256), (2, 10204272628), (4, 5102136314), (8, 2551068157), (11, 1855322296), (22, 927661148), (44, 463830574), (88, 231915287), (1433, 14241832), (2866, 7120916), (5732, 3560458), (11464, 1780229), (15763, 1294712), (31526, 647356), (63052, 323678), (126104, 161839)]