20971524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8609}}^1$

素因数の和:8652

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 36887676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8609, 17218, 25827, 34436, 51654, 60263, 103308, 120526, 180789, 241052, 249661, 361578, 499322, 723156, 748983, 998644, 1497966, 1747627, 2995932, 3495254, 5242881, 6990508, 10485762, 20971524]

約数ペア:

[(1, 20971524), (2, 10485762), (3, 6990508), (4, 5242881), (6, 3495254), (7, 2995932), (12, 1747627), (14, 1497966), (21, 998644), (28, 748983), (29, 723156), (42, 499322), (58, 361578), (84, 249661), (87, 241052), (116, 180789), (174, 120526), (203, 103308), (348, 60263), (406, 51654), (609, 34436), (812, 25827), (1218, 17218), (2436, 8609)]