20453216

素因数分解:

$2^5\times 7^1\times {\mathrm{91309}}^1$

素因数の和:91326

約数の個数: 24

約数和(自身を含む): 46020240

約数和(自身を除く): 25567024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91309, 182618, 365236, 639163, 730472, 1278326, 1460944, 2556652, 2921888, 5113304, 10226608, 20453216]

約数ペア:

[(1, 20453216), (2, 10226608), (4, 5113304), (7, 2921888), (8, 2556652), (14, 1460944), (16, 1278326), (28, 730472), (32, 639163), (56, 365236), (112, 182618), (224, 91309)]