20018432

素因数分解:

$2^8\times 7^1\times {\mathrm{11171}}^1$

素因数の和:11194

約数の個数: 36

約数和(自身を含む): 45671136

約数和(自身を除く): 25652704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11171, 22342, 44684, 78197, 89368, 156394, 178736, 312788, 357472, 625576, 714944, 1251152, 1429888, 2502304, 2859776, 5004608, 10009216, 20018432]

約数ペア:

[(1, 20018432), (2, 10009216), (4, 5004608), (7, 2859776), (8, 2502304), (14, 1429888), (16, 1251152), (28, 714944), (32, 625576), (56, 357472), (64, 312788), (112, 178736), (128, 156394), (224, 89368), (256, 78197), (448, 44684), (896, 22342), (1792, 11171)]