9091220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1811}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 19178208

約数和(自身を除く): 10086988

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1811, 2510, 3622, 5020, 7244, 9055, 18110, 36220, 454561, 909122, 1818244, 2272805, 4545610, 9091220]

約数ペア:

[(1, 9091220), (2, 4545610), (4, 2272805), (5, 1818244), (10, 909122), (20, 454561), (251, 36220), (502, 18110), (1004, 9055), (1255, 7244), (1811, 5020), (2510, 3622)]