20474624

素因数分解:

$2^8\times {\mathrm{79979}}^1$

素因数の和:79995

約数の個数: 18

約数和(自身を含む): 40869780

約数和(自身を除く): 20395156

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79979, 159958, 319916, 639832, 1279664, 2559328, 5118656, 10237312, 20474624]

約数ペア:

[(1, 20474624), (2, 10237312), (4, 5118656), (8, 2559328), (16, 1279664), (32, 639832), (64, 319916), (128, 159958), (256, 79979)]