20804910719

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{39727}}^1$

素因数の和:40430

約数の個数: 16

約数和(自身を含む): 22444730880

約数和(自身を除く): 1639820161

約数列:

[1, 19, 43, 641, 817, 12179, 27563, 39727, 523697, 754813, 1708261, 25465007, 32456959, 483835133, 1094995301, 20804910719]

約数ペア:

[(1, 20804910719), (19, 1094995301), (43, 483835133), (641, 32456959), (817, 25465007), (12179, 1708261), (27563, 754813), (39727, 523697)]