20950190

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9929}}^1$

素因数の和:10147

約数の個数: 16

約数和(自身を含む): 37892880

約数和(自身を除く): 16942690

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9929, 19858, 49645, 99290, 2095019, 4190038, 10475095, 20950190]

約数ペア:

[(1, 20950190), (2, 10475095), (5, 4190038), (10, 2095019), (211, 99290), (422, 49645), (1055, 19858), (2110, 9929)]