20471605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53173}}^1$

素因数の和:53196

約数の個数: 16

約数和(自身を含む): 30628224

約数和(自身を除く): 10156619

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53173, 265865, 372211, 584903, 1861055, 2924515, 4094321, 20471605]

約数ペア:

[(1, 20471605), (5, 4094321), (7, 2924515), (11, 1861055), (35, 584903), (55, 372211), (77, 265865), (385, 53173)]