20402288

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55441}}^1$

素因数の和:55472

約数の個数: 20

約数和(自身を含む): 41248848

約数和(自身を除く): 20846560

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55441, 110882, 221764, 443528, 887056, 1275143, 2550286, 5100572, 10201144, 20402288]

約数ペア:

[(1, 20402288), (2, 10201144), (4, 5100572), (8, 2550286), (16, 1275143), (23, 887056), (46, 443528), (92, 221764), (184, 110882), (368, 55441)]