20822116

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25643}}^1$

素因数の和:25683

約数の個数: 24

約数和(自身を含む): 43081920

約数和(自身を除く): 22259804

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25643, 51286, 102572, 179501, 359002, 718004, 743647, 1487294, 2974588, 5205529, 10411058, 20822116]

約数ペア:

[(1, 20822116), (2, 10411058), (4, 5205529), (7, 2974588), (14, 1487294), (28, 743647), (29, 718004), (58, 359002), (116, 179501), (203, 102572), (406, 51286), (812, 25643)]