20009236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{857}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 37837800

約数和(自身を除く): 17828564

約数列:

[1, 2, 4, 13, 26, 52, 449, 857, 898, 1714, 1796, 3428, 5837, 11141, 11674, 22282, 23348, 44564, 384793, 769586, 1539172, 5002309, 10004618, 20009236]

約数ペア:

[(1, 20009236), (2, 10004618), (4, 5002309), (13, 1539172), (26, 769586), (52, 384793), (449, 44564), (857, 23348), (898, 22282), (1714, 11674), (1796, 11141), (3428, 5837)]