20485406

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:995

約数の個数: 16

約数和(自身を含む): 31353504

約数和(自身を除く): 10868098

約数列:

[1, 2, 73, 146, 193, 386, 727, 1454, 14089, 28178, 53071, 106142, 140311, 280622, 10242703, 20485406]

約数ペア:

[(1, 20485406), (2, 10242703), (73, 280622), (146, 140311), (193, 106142), (386, 53071), (727, 28178), (1454, 14089)]