20109776

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4349}}^1$

素因数の和:4391

約数の個数: 30

約数和(自身を含む): 41398950

約数和(自身を除く): 21289174

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4349, 4624, 8698, 17396, 34792, 69584, 73933, 147866, 295732, 591464, 1182928, 1256861, 2513722, 5027444, 10054888, 20109776]

約数ペア:

[(1, 20109776), (2, 10054888), (4, 5027444), (8, 2513722), (16, 1256861), (17, 1182928), (34, 591464), (68, 295732), (136, 147866), (272, 73933), (289, 69584), (578, 34792), (1156, 17396), (2312, 8698), (4349, 4624)]