20530744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1747}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 41847120

約数和(自身を除く): 21316376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1747, 2938, 3494, 5876, 6988, 11752, 13976, 22711, 45422, 90844, 181688, 197411, 394822, 789644, 1579288, 2566343, 5132686, 10265372, 20530744]

約数ペア:

[(1, 20530744), (2, 10265372), (4, 5132686), (8, 2566343), (13, 1579288), (26, 789644), (52, 394822), (104, 197411), (113, 181688), (226, 90844), (452, 45422), (904, 22711), (1469, 13976), (1747, 11752), (2938, 6988), (3494, 5876)]