20938242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268439}}^1$

素因数の和:268457

約数の個数: 16

約数和(自身を含む): 45097920

約数和(自身を除く): 24159678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268439, 536878, 805317, 1610634, 3489707, 6979414, 10469121, 20938242]

約数ペア:

[(1, 20938242), (2, 10469121), (3, 6979414), (6, 3489707), (13, 1610634), (26, 805317), (39, 536878), (78, 268439)]