9020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:61

約数の個数: 24

約数和(自身を含む): 21168

約数和(自身を除く): 12148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020]

約数ペア:

[(1, 9020), (2, 4510), (4, 2255), (5, 1804), (10, 902), (11, 820), (20, 451), (22, 410), (41, 220), (44, 205), (55, 164), (82, 110)]