20898350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37997}}^1$

素因数の和:38020

約数の個数: 24

約数和(自身を含む): 42405768

約数和(自身を除く): 21507418

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37997, 75994, 189985, 379970, 417967, 835934, 949925, 1899850, 2089835, 4179670, 10449175, 20898350]

約数ペア:

[(1, 20898350), (2, 10449175), (5, 4179670), (10, 2089835), (11, 1899850), (22, 949925), (25, 835934), (50, 417967), (55, 379970), (110, 189985), (275, 75994), (550, 37997)]