20403994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27061}}^1$

素因数の和:27105

約数の個数: 16

約数和(自身を含む): 34098120

約数和(自身を除く): 13694126

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27061, 54122, 351793, 703586, 784769, 1569538, 10201997, 20403994]

約数ペア:

[(1, 20403994), (2, 10201997), (13, 1569538), (26, 784769), (29, 703586), (58, 351793), (377, 54122), (754, 27061)]