20761888

素因数分解:

$2^5\times 7^2\times {\mathrm{13241}}^1$

素因数の和:13265

約数の個数: 36

約数和(自身を含む): 47552022

約数和(自身を除く): 26790134

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13241, 26482, 52964, 92687, 105928, 185374, 211856, 370748, 423712, 648809, 741496, 1297618, 1482992, 2595236, 2965984, 5190472, 10380944, 20761888]

約数ペア:

[(1, 20761888), (2, 10380944), (4, 5190472), (7, 2965984), (8, 2595236), (14, 1482992), (16, 1297618), (28, 741496), (32, 648809), (49, 423712), (56, 370748), (98, 211856), (112, 185374), (196, 105928), (224, 92687), (392, 52964), (784, 26482), (1568, 13241)]