20397262

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 31320432

約数和(自身を除く): 10923170

約数列:

[1, 2, 53, 106, 337, 571, 674, 1142, 17861, 30263, 35722, 60526, 192427, 384854, 10198631, 20397262]

約数ペア:

[(1, 20397262), (2, 10198631), (53, 384854), (106, 192427), (337, 60526), (571, 35722), (674, 30263), (1142, 17861)]