20707316

素因数分解:

$2^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1367}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 41521536

約数和(自身を除く): 20814220

約数列:

[1, 2, 4, 7, 14, 28, 541, 1082, 1367, 2164, 2734, 3787, 5468, 7574, 9569, 15148, 19138, 38276, 739547, 1479094, 2958188, 5176829, 10353658, 20707316]

約数ペア:

[(1, 20707316), (2, 10353658), (4, 5176829), (7, 2958188), (14, 1479094), (28, 739547), (541, 38276), (1082, 19138), (1367, 15148), (2164, 9569), (2734, 7574), (3787, 5468)]