20071395

素因数分解:

$3^4\times 5^1\times {\mathrm{49559}}^1$

素因数の和:49576

約数の個数: 20

約数和(自身を含む): 35980560

約数和(自身を除く): 15909165

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49559, 148677, 247795, 446031, 743385, 1338093, 2230155, 4014279, 6690465, 20071395]

約数ペア:

[(1, 20071395), (3, 6690465), (5, 4014279), (9, 2230155), (15, 1338093), (27, 743385), (45, 446031), (81, 247795), (135, 148677), (405, 49559)]