20438396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2083}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 39212544

約数和(自身を除く): 18774148

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2083, 2453, 4166, 4906, 8332, 9812, 22913, 45826, 91652, 464509, 929018, 1858036, 5109599, 10219198, 20438396]

約数ペア:

[(1, 20438396), (2, 10219198), (4, 5109599), (11, 1858036), (22, 929018), (44, 464509), (223, 91652), (446, 45826), (892, 22913), (2083, 9812), (2453, 8332), (4166, 4906)]