20471499

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{16603}}^1$

素因数の和:16746

約数の個数: 12

約数和(自身を含む): 29787576

約数和(自身を除く): 9316077

約数列:

[1, 3, 9, 137, 411, 1233, 16603, 49809, 149427, 2274611, 6823833, 20471499]

約数ペア:

[(1, 20471499), (3, 6823833), (9, 2274611), (137, 149427), (411, 49809), (1233, 16603)]