8920155940

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{243587}}^1$

素因数の和:245427

約数の個数: 24

約数和(自身を含む): 18742635072

約数和(自身を除く): 9822479132

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 7324, 9155, 18310, 36620, 243587, 487174, 974348, 1217935, 2435870, 4871740, 446007797, 892015594, 1784031188, 2230038985, 4460077970, 8920155940]

約数ペア:

[(1, 8920155940), (2, 4460077970), (4, 2230038985), (5, 1784031188), (10, 892015594), (20, 446007797), (1831, 4871740), (3662, 2435870), (7324, 1217935), (9155, 974348), (18310, 487174), (36620, 243587)]