20873872

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12917}}^1$

素因数の和:13026

約数の個数: 20

約数和(自身を含む): 40846716

約数和(自身を除く): 19972844

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12917, 25834, 51668, 103336, 206672, 1304617, 2609234, 5218468, 10436936, 20873872]

約数ペア:

[(1, 20873872), (2, 10436936), (4, 5218468), (8, 2609234), (16, 1304617), (101, 206672), (202, 103336), (404, 51668), (808, 25834), (1616, 12917)]