20330090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 40106880

約数和(自身を除く): 19776790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 439, 842, 878, 2105, 2195, 4210, 4390, 4631, 4829, 9262, 9658, 23155, 24145, 46310, 48290, 184819, 369638, 924095, 1848190, 2033009, 4066018, 10165045, 20330090]

約数ペア:

[(1, 20330090), (2, 10165045), (5, 4066018), (10, 2033009), (11, 1848190), (22, 924095), (55, 369638), (110, 184819), (421, 48290), (439, 46310), (842, 24145), (878, 23155), (2105, 9658), (2195, 9262), (4210, 4829), (4390, 4631)]