20475045

素因数分解:

$3^3\times 5^1\times {\mathrm{151667}}^1$

素因数の和:151681

約数の個数: 16

約数和(自身を含む): 36400320

約数和(自身を除く): 15925275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151667, 455001, 758335, 1365003, 2275005, 4095009, 6825015, 20475045]

約数ペア:

[(1, 20475045), (3, 6825015), (5, 4095009), (9, 2275005), (15, 1365003), (27, 758335), (45, 455001), (135, 151667)]