20938418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23957}}^1$

素因数の和:24001

約数の個数: 16

約数和(自身を含む): 34499520

約数和(自身を除く): 13561102

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23957, 47914, 455183, 551011, 910366, 1102022, 10469209, 20938418]

約数ペア:

[(1, 20938418), (2, 10469209), (19, 1102022), (23, 910366), (38, 551011), (46, 455183), (437, 47914), (874, 23957)]