20171404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4057}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 38859408

約数和(自身を除く): 18688004

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4057, 4972, 8114, 16228, 44627, 89254, 178508, 458441, 916882, 1833764, 5042851, 10085702, 20171404]

約数ペア:

[(1, 20171404), (2, 10085702), (4, 5042851), (11, 1833764), (22, 916882), (44, 458441), (113, 178508), (226, 89254), (452, 44627), (1243, 16228), (2486, 8114), (4057, 4972)]