20855485

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6143}}^1$

素因数の和:6252

約数の個数: 16

約数和(自身を含む): 28901376

約数和(自身を除く): 8045891

約数列:

[1, 5, 7, 35, 97, 485, 679, 3395, 6143, 30715, 43001, 215005, 595871, 2979355, 4171097, 20855485]

約数ペア:

[(1, 20855485), (5, 4171097), (7, 2979355), (35, 595871), (97, 215005), (485, 43001), (679, 30715), (3395, 6143)]