20285410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28571}}^1$

素因数の和:28649

約数の個数: 16

約数和(自身を含む): 37029312

約数和(自身を除く): 16743902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28571, 57142, 142855, 285710, 2028541, 4057082, 10142705, 20285410]

約数ペア:

[(1, 20285410), (2, 10142705), (5, 4057082), (10, 2028541), (71, 285710), (142, 142855), (355, 57142), (710, 28571)]