20366540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12269}}^1$

素因数の和:12361

約数の個数: 24

約数和(自身を含む): 43288560

約数和(自身を除く): 22922020

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12269, 24538, 49076, 61345, 122690, 245380, 1018327, 2036654, 4073308, 5091635, 10183270, 20366540]

約数ペア:

[(1, 20366540), (2, 10183270), (4, 5091635), (5, 4073308), (10, 2036654), (20, 1018327), (83, 245380), (166, 122690), (332, 61345), (415, 49076), (830, 24538), (1660, 12269)]