20294955

素因数分解:

$3^4\times 5^1\times {\mathrm{50111}}^1$

素因数の和:50128

約数の個数: 20

約数和(自身を含む): 36381312

約数和(自身を除く): 16086357

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50111, 150333, 250555, 450999, 751665, 1352997, 2254995, 4058991, 6764985, 20294955]

約数ペア:

[(1, 20294955), (3, 6764985), (5, 4058991), (9, 2254995), (15, 1352997), (27, 751665), (45, 450999), (81, 250555), (135, 150333), (405, 50111)]