20422059

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23719}}^1$

素因数の和:23770

約数の個数: 16

約数和(自身を含む): 31879680

約数和(自身を除く): 11457621

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23719, 71157, 166033, 498099, 972479, 2917437, 6807353, 20422059]

約数ペア:

[(1, 20422059), (3, 6807353), (7, 2917437), (21, 972479), (41, 498099), (123, 166033), (287, 71157), (861, 23719)]