20176779777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87345367}}^1$

素因数の和:87345388

約数の個数: 16

約数和(自身を含む): 33540621312

約数和(自身を除く): 13363841535

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87345367, 262036101, 611417569, 960799037, 1834252707, 2882397111, 6725593259, 20176779777]

約数ペア:

[(1, 20176779777), (3, 6725593259), (7, 2882397111), (11, 1834252707), (21, 960799037), (33, 611417569), (77, 262036101), (231, 87345367)]