20175463760

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1267303}}^1$

素因数の和:1267515

約数の個数: 40

約数和(自身を含む): 47143708800

約数和(自身を除く): 26968245040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 1267303, 2534606, 5069212, 6336515, 10138424, 12673030, 20276848, 25346060, 50692120, 101384240, 252193297, 504386594, 1008773188, 1260966485, 2017546376, 2521932970, 4035092752, 5043865940, 10087731880, 20175463760]

約数ペア:

[(1, 20175463760), (2, 10087731880), (4, 5043865940), (5, 4035092752), (8, 2521932970), (10, 2017546376), (16, 1260966485), (20, 1008773188), (40, 504386594), (80, 252193297), (199, 101384240), (398, 50692120), (796, 25346060), (995, 20276848), (1592, 12673030), (1990, 10138424), (3184, 6336515), (3980, 5069212), (7960, 2534606), (15920, 1267303)]