20042646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256957}}^1$

素因数の和:256975

約数の個数: 16

約数和(自身を含む): 43168944

約数和(自身を除く): 23126298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256957, 513914, 770871, 1541742, 3340441, 6680882, 10021323, 20042646]

約数ペア:

[(1, 20042646), (2, 10021323), (3, 6680882), (6, 3340441), (13, 1541742), (26, 770871), (39, 513914), (78, 256957)]