20517230

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2113}}^1$

素因数の和:3091

約数の個数: 16

約数和(自身を含む): 36986544

約数和(自身を除く): 16469314

約数列:

[1, 2, 5, 10, 971, 1942, 2113, 4226, 4855, 9710, 10565, 21130, 2051723, 4103446, 10258615, 20517230]

約数ペア:

[(1, 20517230), (2, 10258615), (5, 4103446), (10, 2051723), (971, 21130), (1942, 10565), (2113, 9710), (4226, 4855)]