20436705

素因数分解:

$3^4\times 5^1\times {\mathrm{50461}}^1$

素因数の和:50478

約数の個数: 20

約数和(自身を含む): 36635412

約数和(自身を除く): 16198707

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50461, 151383, 252305, 454149, 756915, 1362447, 2270745, 4087341, 6812235, 20436705]

約数ペア:

[(1, 20436705), (3, 6812235), (5, 4087341), (9, 2270745), (15, 1362447), (27, 756915), (45, 454149), (81, 252305), (135, 151383), (405, 50461)]