20398126

素因数分解:

$2^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1801}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 35030880

約数和(自身を除く): 14632754

約数列:

[1, 2, 7, 14, 809, 1618, 1801, 3602, 5663, 11326, 12607, 25214, 1457009, 2914018, 10199063, 20398126]

約数ペア:

[(1, 20398126), (2, 10199063), (7, 2914018), (14, 1457009), (809, 25214), (1618, 12607), (1801, 11326), (3602, 5663)]