20051312

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1949}}^1$

素因数の和:2600

約数の個数: 20

約数和(自身を含む): 38929800

約数和(自身を除く): 18878488

約数列:

[1, 2, 4, 8, 16, 643, 1286, 1949, 2572, 3898, 5144, 7796, 10288, 15592, 31184, 1253207, 2506414, 5012828, 10025656, 20051312]

約数ペア:

[(1, 20051312), (2, 10025656), (4, 5012828), (8, 2506414), (16, 1253207), (643, 31184), (1286, 15592), (1949, 10288), (2572, 7796), (3898, 5144)]