20450288

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11311}}^1$

素因数の和:11432

約数の個数: 20

約数和(自身を含む): 39976608

約数和(自身を除く): 19526320

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11311, 22622, 45244, 90488, 180976, 1278143, 2556286, 5112572, 10225144, 20450288]

約数ペア:

[(1, 20450288), (2, 10225144), (4, 5112572), (8, 2556286), (16, 1278143), (113, 180976), (226, 90488), (452, 45244), (904, 22622), (1808, 11311)]