20407210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 18420950

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1069, 1909, 2138, 3818, 5345, 9545, 10690, 19090, 24587, 49174, 88727, 122935, 177454, 245870, 443635, 887270, 2040721, 4081442, 10203605, 20407210]

約数ペア:

[(1, 20407210), (2, 10203605), (5, 4081442), (10, 2040721), (23, 887270), (46, 443635), (83, 245870), (115, 177454), (166, 122935), (230, 88727), (415, 49174), (830, 24587), (1069, 19090), (1909, 10690), (2138, 9545), (3818, 5345)]