20572805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22003}}^1$

素因数の和:22036

約数の個数: 16

約数和(自身を含む): 28517184

約数和(自身を除く): 7944379

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22003, 110015, 242033, 374051, 1210165, 1870255, 4114561, 20572805]

約数ペア:

[(1, 20572805), (5, 4114561), (11, 1870255), (17, 1210165), (55, 374051), (85, 242033), (187, 110015), (935, 22003)]