20233040

素因数分解:

$2^4\times 5^1\times {\mathrm{252913}}^1$

素因数の和:252926

約数の個数: 20

約数和(自身を含む): 47042004

約数和(自身を除く): 26808964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252913, 505826, 1011652, 1264565, 2023304, 2529130, 4046608, 5058260, 10116520, 20233040]

約数ペア:

[(1, 20233040), (2, 10116520), (4, 5058260), (5, 4046608), (8, 2529130), (10, 2023304), (16, 1264565), (20, 1011652), (40, 505826), (80, 252913)]