20045984

素因数分解:

$2^5\times 7^1\times {\mathrm{89491}}^1$

素因数の和:89508

約数の個数: 24

約数和(自身を含む): 45103968

約数和(自身を除く): 25057984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89491, 178982, 357964, 626437, 715928, 1252874, 1431856, 2505748, 2863712, 5011496, 10022992, 20045984]

約数ペア:

[(1, 20045984), (2, 10022992), (4, 5011496), (7, 2863712), (8, 2505748), (14, 1431856), (16, 1252874), (28, 715928), (32, 626437), (56, 357964), (112, 178982), (224, 89491)]