20798888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13903}}^1$

素因数の和:13937

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 24250072

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13903, 27806, 55612, 111224, 152933, 236351, 305866, 472702, 611732, 945404, 1223464, 1890808, 2599861, 5199722, 10399444, 20798888]

約数ペア:

[(1, 20798888), (2, 10399444), (4, 5199722), (8, 2599861), (11, 1890808), (17, 1223464), (22, 945404), (34, 611732), (44, 472702), (68, 305866), (88, 236351), (136, 152933), (187, 111224), (374, 55612), (748, 27806), (1496, 13903)]