20468665

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6571}}^1$

素因数の和:6672

約数の個数: 16

約数和(自身を含む): 28391040

約数和(自身を除く): 7922375

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6571, 32855, 45997, 229985, 584819, 2924095, 4093733, 20468665]

約数ペア:

[(1, 20468665), (5, 4093733), (7, 2924095), (35, 584819), (89, 229985), (445, 45997), (623, 32855), (3115, 6571)]