20641528

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9521}}^1$

素因数の和:9798

約数の個数: 16

約数和(自身を含む): 38849760

約数和(自身を除く): 18208232

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9521, 19042, 38084, 76168, 2580191, 5160382, 10320764, 20641528]

約数ペア:

[(1, 20641528), (2, 10320764), (4, 5160382), (8, 2580191), (271, 76168), (542, 38084), (1084, 19042), (2168, 9521)]