20395264

素因数分解:

$2^8\times {\mathrm{79669}}^1$

素因数の和:79685

約数の個数: 18

約数和(自身を含む): 40711370

約数和(自身を除く): 20316106

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79669, 159338, 318676, 637352, 1274704, 2549408, 5098816, 10197632, 20395264]

約数ペア:

[(1, 20395264), (2, 10197632), (4, 5098816), (8, 2549408), (16, 1274704), (32, 637352), (64, 318676), (128, 159338), (256, 79669)]