22116620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25717}}^1$

素因数の和:25769

約数の個数: 24

約数和(自身を含む): 47526864

約数和(自身を除く): 25410244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 25717, 51434, 102868, 128585, 257170, 514340, 1105831, 2211662, 4423324, 5529155, 11058310, 22116620]

約数ペア:

[(1, 22116620), (2, 11058310), (4, 5529155), (5, 4423324), (10, 2211662), (20, 1105831), (43, 514340), (86, 257170), (172, 128585), (215, 102868), (430, 51434), (860, 25717)]