20216306890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155510053}}^1$

素因数の和:155510073

約数の個数: 16

約数和(自身を含む): 39188533608

約数和(自身を除く): 18972226718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155510053, 311020106, 777550265, 1555100530, 2021630689, 4043261378, 10108153445, 20216306890]

約数ペア:

[(1, 20216306890), (2, 10108153445), (5, 4043261378), (10, 2021630689), (13, 1555100530), (26, 777550265), (65, 311020106), (130, 155510053)]