12200420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2251}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 25726848

約数和(自身を除く): 13526428

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2251, 2710, 4502, 5420, 9004, 11255, 22510, 45020, 610021, 1220042, 2440084, 3050105, 6100210, 12200420]

約数ペア:

[(1, 12200420), (2, 6100210), (4, 3050105), (5, 2440084), (10, 1220042), (20, 610021), (271, 45020), (542, 22510), (1084, 11255), (1355, 9004), (2251, 5420), (2710, 4502)]