20739256

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25169}}^1$

素因数の和:25278

約数の個数: 16

約数和(自身を含む): 39265200

約数和(自身を除く): 18525944

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25169, 50338, 100676, 201352, 2592407, 5184814, 10369628, 20739256]

約数ペア:

[(1, 20739256), (2, 10369628), (4, 5184814), (8, 2592407), (103, 201352), (206, 100676), (412, 50338), (824, 25169)]