20821624

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113161}}^1$

素因数の和:113190

約数の個数: 16

約数和(自身を含む): 40738320

約数和(自身を除く): 19916696

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 113161, 226322, 452644, 905288, 2602703, 5205406, 10410812, 20821624]

約数ペア:

[(1, 20821624), (2, 10410812), (4, 5205406), (8, 2602703), (23, 905288), (46, 452644), (92, 226322), (184, 113161)]