20505156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244109}}^1$

素因数の和:244123

約数の個数: 24

約数和(自身を含む): 54680640

約数和(自身を除く): 34175484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244109, 488218, 732327, 976436, 1464654, 1708763, 2929308, 3417526, 5126289, 6835052, 10252578, 20505156]

約数ペア:

[(1, 20505156), (2, 10252578), (3, 6835052), (4, 5126289), (6, 3417526), (7, 2929308), (12, 1708763), (14, 1464654), (21, 976436), (28, 732327), (42, 488218), (84, 244109)]