20675930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187963}}^1$

素因数の和:187981

約数の個数: 16

約数和(自身を含む): 40600224

約数和(自身を除く): 19924294

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187963, 375926, 939815, 1879630, 2067593, 4135186, 10337965, 20675930]

約数ペア:

[(1, 20675930), (2, 10337965), (5, 4135186), (10, 2067593), (11, 1879630), (22, 939815), (55, 375926), (110, 187963)]