20090979621

素因数分解:

$3^2\times {\mathrm{1759}}^1\times {\mathrm{1269091}}^1$

素因数の和:1270856

約数の個数: 12

約数和(自身を含む): 29036824960

約数和(自身を除く): 8945845339

約数列:

[1, 3, 9, 1759, 5277, 15831, 1269091, 3807273, 11421819, 2232331069, 6696993207, 20090979621]

約数ペア:

[(1, 20090979621), (3, 6696993207), (9, 2232331069), (1759, 11421819), (5277, 3807273), (15831, 1269091)]