20847574

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:612

約数の個数: 24

約数和(自身を含む): 34607664

約数和(自身を除く): 13760090

約数列:

[1, 2, 11, 22, 121, 242, 277, 311, 554, 622, 3047, 3421, 6094, 6842, 33517, 37631, 67034, 75262, 86147, 172294, 947617, 1895234, 10423787, 20847574]

約数ペア:

[(1, 20847574), (2, 10423787), (11, 1895234), (22, 947617), (121, 172294), (242, 86147), (277, 75262), (311, 67034), (554, 37631), (622, 33517), (3047, 6842), (3421, 6094)]