20019328

素因数分解:

$2^7\times 7^1\times {\mathrm{22343}}^1$

素因数の和:22364

約数の個数: 32

約数和(自身を含む): 45581760

約数和(自身を除く): 25562432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22343, 44686, 89372, 156401, 178744, 312802, 357488, 625604, 714976, 1251208, 1429952, 2502416, 2859904, 5004832, 10009664, 20019328]

約数ペア:

[(1, 20019328), (2, 10009664), (4, 5004832), (7, 2859904), (8, 2502416), (14, 1429952), (16, 1251208), (28, 714976), (32, 625604), (56, 357488), (64, 312802), (112, 178744), (128, 156401), (224, 89372), (448, 44686), (896, 22343)]