20117216

素因数分解:

$2^5\times 7^1\times {\mathrm{89809}}^1$

素因数の和:89826

約数の個数: 24

約数和(自身を含む): 45264240

約数和(自身を除く): 25147024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89809, 179618, 359236, 628663, 718472, 1257326, 1436944, 2514652, 2873888, 5029304, 10058608, 20117216]

約数ペア:

[(1, 20117216), (2, 10058608), (4, 5029304), (7, 2873888), (8, 2514652), (14, 1436944), (16, 1257326), (28, 718472), (32, 628663), (56, 359236), (112, 179618), (224, 89809)]