20375955

素因数分解:

$3^4\times 5^1\times {\mathrm{50311}}^1$

素因数の和:50328

約数の個数: 20

約数和(自身を含む): 36526512

約数和(自身を除く): 16150557

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50311, 150933, 251555, 452799, 754665, 1358397, 2263995, 4075191, 6791985, 20375955]

約数ペア:

[(1, 20375955), (3, 6791985), (5, 4075191), (9, 2263995), (15, 1358397), (27, 754665), (45, 452799), (81, 251555), (135, 150933), (405, 50311)]