20098262015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{239879}}^1$

素因数の和:241186

約数の個数: 16

約数和(自身を含む): 25993396800

約数和(自身を除く): 5895134785

約数列:

[1, 5, 13, 65, 1289, 6445, 16757, 83785, 239879, 1199395, 3118427, 15592135, 309204031, 1546020155, 4019652403, 20098262015]

約数ペア:

[(1, 20098262015), (5, 4019652403), (13, 1546020155), (65, 309204031), (1289, 15592135), (6445, 3118427), (16757, 1199395), (83785, 239879)]