20170390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28409}}^1$

素因数の和:28487

約数の個数: 16

約数和(自身を含む): 36819360

約数和(自身を除く): 16648970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28409, 56818, 142045, 284090, 2017039, 4034078, 10085195, 20170390]

約数ペア:

[(1, 20170390), (2, 10085195), (5, 4034078), (10, 2017039), (71, 284090), (142, 142045), (355, 56818), (710, 28409)]