2007789605

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{19979}}^1$

素因数の和:20284

約数の個数: 16

約数和(自身を含む): 2445552000

約数和(自身を除く): 437762395

約数列:

[1, 5, 101, 199, 505, 995, 19979, 20099, 99895, 100495, 2017879, 3975821, 10089395, 19879105, 401557921, 2007789605]

約数ペア:

[(1, 2007789605), (5, 401557921), (101, 19879105), (199, 10089395), (505, 3975821), (995, 2017879), (19979, 100495), (20099, 99895)]