20079213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86923}}^1$

素因数の和:86944

約数の個数: 16

約数和(自身を含む): 33378816

約数和(自身を除く): 13299603

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86923, 260769, 608461, 956153, 1825383, 2868459, 6693071, 20079213]

約数ペア:

[(1, 20079213), (3, 6693071), (7, 2868459), (11, 1825383), (21, 956153), (33, 608461), (77, 260769), (231, 86923)]