20881434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497177}}^1$

素因数の和:497189

約数の個数: 16

約数和(自身を含む): 47729088

約数和(自身を除く): 26847654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497177, 994354, 1491531, 2983062, 3480239, 6960478, 10440717, 20881434]

約数ペア:

[(1, 20881434), (2, 10440717), (3, 6960478), (6, 3480239), (7, 2983062), (14, 1491531), (21, 994354), (42, 497177)]