20508711555

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29090371}}^1$

素因数の和:29090426

約数の個数: 16

約数和(自身を含む): 33512108544

約数和(自身を除く): 13003396989

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29090371, 87271113, 145451855, 436355565, 1367247437, 4101742311, 6836237185, 20508711555]

約数ペア:

[(1, 20508711555), (3, 6836237185), (5, 4101742311), (15, 1367247437), (47, 436355565), (141, 145451855), (235, 87271113), (705, 29090371)]