20163472

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4447

約数の個数: 40

約数和(自身を含む): 45747072

約数和(自身を除く): 25583600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4391, 4592, 8782, 17564, 30737, 35128, 61474, 70256, 122948, 180031, 245896, 360062, 491792, 720124, 1260217, 1440248, 2520434, 2880496, 5040868, 10081736, 20163472]

約数ペア:

[(1, 20163472), (2, 10081736), (4, 5040868), (7, 2880496), (8, 2520434), (14, 1440248), (16, 1260217), (28, 720124), (41, 491792), (56, 360062), (82, 245896), (112, 180031), (164, 122948), (287, 70256), (328, 61474), (574, 35128), (656, 30737), (1148, 17564), (2296, 8782), (4391, 4592)]