20638262

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 31437312

約数和(自身を除く): 10799050

約数列:

[1, 2, 127, 193, 254, 386, 421, 842, 24511, 49022, 53467, 81253, 106934, 162506, 10319131, 20638262]

約数ペア:

[(1, 20638262), (2, 10319131), (127, 162506), (193, 106934), (254, 81253), (386, 53467), (421, 49022), (842, 24511)]