20512890839

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1117199}}^1$

素因数の和:1117310

約数の個数: 16

約数和(自身を含む): 24381772800

約数和(自身を除く): 3868881961

約数列:

[1, 7, 43, 61, 301, 427, 2623, 18361, 1117199, 7820393, 48039557, 68149139, 336276899, 477043973, 2930412977, 20512890839]

約数ペア:

[(1, 20512890839), (7, 2930412977), (43, 477043973), (61, 336276899), (301, 68149139), (427, 48039557), (2623, 7820393), (18361, 1117199)]