20091128

素因数分解:

$2^3\times {\mathrm{683}}^1\times {\mathrm{3677}}^1$

素因数の和:4366

約数の個数: 16

約数和(自身を含む): 37736280

約数和(自身を除く): 17645152

約数列:

[1, 2, 4, 8, 683, 1366, 2732, 3677, 5464, 7354, 14708, 29416, 2511391, 5022782, 10045564, 20091128]

約数ペア:

[(1, 20091128), (2, 10045564), (4, 5022782), (8, 2511391), (683, 29416), (1366, 14708), (2732, 7354), (3677, 5464)]