20161788836

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4162219}}^1$

素因数の和:4162403

約数の個数: 24

約数和(自身を含む): 40556671680

約数和(自身を除く): 20394882844

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 4162219, 8324438, 16648876, 29135533, 58271066, 116542132, 720063887, 1440127774, 2880255548, 5040447209, 10080894418, 20161788836]

約数ペア:

[(1, 20161788836), (2, 10080894418), (4, 5040447209), (7, 2880255548), (14, 1440127774), (28, 720063887), (173, 116542132), (346, 58271066), (692, 29135533), (1211, 16648876), (2422, 8324438), (4844, 4162219)]