20080456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1319}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 21261944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1319, 1384, 1903, 2638, 3806, 5276, 7612, 10552, 14509, 15224, 29018, 58036, 116072, 228187, 456374, 912748, 1825496, 2510057, 5020114, 10040228, 20080456]

約数ペア:

[(1, 20080456), (2, 10040228), (4, 5020114), (8, 2510057), (11, 1825496), (22, 912748), (44, 456374), (88, 228187), (173, 116072), (346, 58036), (692, 29018), (1319, 15224), (1384, 14509), (1903, 10552), (2638, 7612), (3806, 5276)]