20042045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 25263360

約数和(自身を除く): 5221315

約数列:

[1, 5, 29, 67, 145, 335, 1943, 2063, 9715, 10315, 59827, 138221, 299135, 691105, 4008409, 20042045]

約数ペア:

[(1, 20042045), (5, 4008409), (29, 691105), (67, 299135), (145, 138221), (335, 59827), (1943, 10315), (2063, 9715)]