20803479993

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{1513751}}^1$

素因数の和:1514269

約数の個数: 16

約数和(自身を含む): 30880540800

約数和(自身を除く): 10077060807

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 1513751, 4541253, 13623759, 40871277, 770499259, 2311497777, 6934493331, 20803479993]

約数ペア:

[(1, 20803479993), (3, 6934493331), (9, 2311497777), (27, 770499259), (509, 40871277), (1527, 13623759), (4581, 4541253), (13743, 1513751)]