20159739945

素因数分解:

$3^3\times 5^1\times {\mathrm{149331407}}^1$

素因数の和:149331421

約数の個数: 16

約数和(自身を含む): 35839537920

約数和(自身を除く): 15679797975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149331407, 447994221, 746657035, 1343982663, 2239971105, 4031947989, 6719913315, 20159739945]

約数ペア:

[(1, 20159739945), (3, 6719913315), (5, 4031947989), (9, 2239971105), (15, 1343982663), (27, 746657035), (45, 447994221), (135, 149331407)]