20880530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189823}}^1$

素因数の和:189841

約数の個数: 16

約数和(自身を含む): 41001984

約数和(自身を除く): 20121454

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189823, 379646, 949115, 1898230, 2088053, 4176106, 10440265, 20880530]

約数ペア:

[(1, 20880530), (2, 10440265), (5, 4176106), (10, 2088053), (11, 1898230), (22, 949115), (55, 379646), (110, 189823)]