16720022

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 20

約数和(自身を含む): 27636180

約数和(自身を除く): 10916158

約数列:

[1, 2, 11, 22, 121, 242, 571, 1142, 1331, 2662, 6281, 12562, 14641, 29282, 69091, 138182, 760001, 1520002, 8360011, 16720022]

約数ペア:

[(1, 16720022), (2, 8360011), (11, 1520002), (22, 760001), (121, 138182), (242, 69091), (571, 29282), (1142, 14641), (1331, 12562), (2662, 6281)]