20682805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28927}}^1$

素因数の和:28956

約数の個数: 16

約数和(自身を含む): 29159424

約数和(自身を除く): 8476619

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28927, 144635, 318197, 376051, 1590985, 1880255, 4136561, 20682805]

約数ペア:

[(1, 20682805), (5, 4136561), (11, 1880255), (13, 1590985), (55, 376051), (65, 318197), (143, 144635), (715, 28927)]