20776385

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2143}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 28609536

約数和(自身を除く): 7833151

約数列:

[1, 5, 7, 35, 277, 1385, 1939, 2143, 9695, 10715, 15001, 75005, 593611, 2968055, 4155277, 20776385]

約数ペア:

[(1, 20776385), (5, 4155277), (7, 2968055), (35, 593611), (277, 75005), (1385, 15001), (1939, 10715), (2143, 9695)]