20178013317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87350707}}^1$

素因数の和:87350728

約数の個数: 16

約数和(自身を含む): 33542671872

約数和(自身を除く): 13364658555

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87350707, 262052121, 611454949, 960857777, 1834364847, 2882573331, 6726004439, 20178013317]

約数ペア:

[(1, 20178013317), (3, 6726004439), (7, 2882573331), (11, 1834364847), (21, 960857777), (33, 611454949), (77, 262052121), (231, 87350707)]