20798907668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67528921}}^1$

素因数の和:67528943

約数の個数: 24

約数和(自身を含む): 45379435584

約数和(自身を除く): 24580527916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67528921, 135057842, 270115684, 472702447, 742818131, 945404894, 1485636262, 1890809788, 2971272524, 5199726917, 10399453834, 20798907668]

約数ペア:

[(1, 20798907668), (2, 10399453834), (4, 5199726917), (7, 2971272524), (11, 1890809788), (14, 1485636262), (22, 945404894), (28, 742818131), (44, 472702447), (77, 270115684), (154, 135057842), (308, 67528921)]