209540420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{92717}}^1$

素因数の和:92839

約数の個数: 24

約数和(自身を含む): 443933784

約数和(自身を除く): 234393364

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 92717, 185434, 370868, 463585, 927170, 1854340, 10477021, 20954042, 41908084, 52385105, 104770210, 209540420]

約数ペア:

[(1, 209540420), (2, 104770210), (4, 52385105), (5, 41908084), (10, 20954042), (20, 10477021), (113, 1854340), (226, 927170), (452, 463585), (565, 370868), (1130, 185434), (2260, 92717)]