20559909205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{33983321}}^1$

素因数の和:33983348

約数の個数: 12

約数和(自身を含む): 27118690956

約数和(自身を除く): 6558781751

約数列:

[1, 5, 11, 55, 121, 605, 33983321, 169916605, 373816531, 1869082655, 4111981841, 20559909205]

約数ペア:

[(1, 20559909205), (5, 4111981841), (11, 1869082655), (55, 373816531), (121, 169916605), (605, 33983321)]