20680270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159079}}^1$

素因数の和:159099

約数の個数: 16

約数和(自身を含む): 40088160

約数和(自身を除く): 19407890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159079, 318158, 795395, 1590790, 2068027, 4136054, 10340135, 20680270]

約数ペア:

[(1, 20680270), (2, 10340135), (5, 4136054), (10, 2068027), (13, 1590790), (26, 795395), (65, 318158), (130, 159079)]