20126908089

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1012369}}^1$

素因数の和:1012469

約数の個数: 18

約数和(自身を含む): 29703948170

約数和(自身を除く): 9577040081

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 19881, 1012369, 3037107, 9111321, 47581343, 142744029, 428232087, 2236323121, 6708969363, 20126908089]

約数ペア:

[(1, 20126908089), (3, 6708969363), (9, 2236323121), (47, 428232087), (141, 142744029), (423, 47581343), (2209, 9111321), (6627, 3037107), (19881, 1012369)]