20810270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160079}}^1$

素因数の和:160099

約数の個数: 16

約数和(自身を含む): 40340160

約数和(自身を除く): 19529890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160079, 320158, 800395, 1600790, 2081027, 4162054, 10405135, 20810270]

約数ペア:

[(1, 20810270), (2, 10405135), (5, 4162054), (10, 2081027), (13, 1600790), (26, 800395), (65, 320158), (130, 160079)]