20187430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28433}}^1$

素因数の和:28511

約数の個数: 16

約数和(自身を含む): 36850464

約数和(自身を除く): 16663034

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28433, 56866, 142165, 284330, 2018743, 4037486, 10093715, 20187430]

約数ペア:

[(1, 20187430), (2, 10093715), (5, 4037486), (10, 2018743), (71, 284330), (142, 142165), (355, 56866), (710, 28433)]