15216220

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1151}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 32030208

約数和(自身を除く): 16813988

約数列:

[1, 2, 4, 5, 10, 20, 661, 1151, 1322, 2302, 2644, 3305, 4604, 5755, 6610, 11510, 13220, 23020, 760811, 1521622, 3043244, 3804055, 7608110, 15216220]

約数ペア:

[(1, 15216220), (2, 7608110), (4, 3804055), (5, 3043244), (10, 1521622), (20, 760811), (661, 23020), (1151, 13220), (1322, 11510), (2302, 6610), (2644, 5755), (3305, 4604)]