20264739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14281}}^1$

素因数の和:14338

約数の個数: 16

約数和(自身を含む): 30163584

約数和(自身を除く): 9898845

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14281, 42843, 157091, 471273, 614083, 1842249, 6754913, 20264739]

約数ペア:

[(1, 20264739), (3, 6754913), (11, 1842249), (33, 614083), (43, 471273), (129, 157091), (473, 42843), (1419, 14281)]