20505010

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1951}}^1$

素因数の和:3009

約数の個数: 16

約数和(自身を含む): 36963072

約数和(自身を除く): 16458062

約数列:

[1, 2, 5, 10, 1051, 1951, 2102, 3902, 5255, 9755, 10510, 19510, 2050501, 4101002, 10252505, 20505010]

約数ペア:

[(1, 20505010), (2, 10252505), (5, 4101002), (10, 2050501), (1051, 19510), (1951, 10510), (2102, 9755), (3902, 5255)]