20640147

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10601}}^1$

素因数の和:10674

約数の個数: 16

約数和(自身を含む): 30533760

約数和(自身を除く): 9893613

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10601, 31803, 116611, 349833, 625459, 1876377, 6880049, 20640147]

約数ペア:

[(1, 20640147), (3, 6880049), (11, 1876377), (33, 625459), (59, 349833), (177, 116611), (649, 31803), (1947, 10601)]