20166820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4219}}^1$

素因数の和:4467

約数の個数: 24

約数和(自身を含む): 42537600

約数和(自身を除く): 22370780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4219, 4780, 8438, 16876, 21095, 42190, 84380, 1008341, 2016682, 4033364, 5041705, 10083410, 20166820]

約数ペア:

[(1, 20166820), (2, 10083410), (4, 5041705), (5, 4033364), (10, 2016682), (20, 1008341), (239, 84380), (478, 42190), (956, 21095), (1195, 16876), (2390, 8438), (4219, 4780)]