20198255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 31546368

約数和(自身を除く): 11348113

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2281, 8855, 11405, 15967, 25091, 52463, 79835, 125455, 175637, 262315, 367241, 577093, 878185, 1836205, 2885465, 4039651, 20198255]

約数ペア:

[(1, 20198255), (5, 4039651), (7, 2885465), (11, 1836205), (23, 878185), (35, 577093), (55, 367241), (77, 262315), (115, 175637), (161, 125455), (253, 79835), (385, 52463), (805, 25091), (1265, 15967), (1771, 11405), (2281, 8855)]