20512508583

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16555697}}^1$

素因数の和:16555766

約数の個数: 16

約数和(自身を含む): 31786940160

約数和(自身を除く): 11274431577

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16555697, 49667091, 115889879, 347669637, 976786123, 2930358369, 6837502861, 20512508583]

約数ペア:

[(1, 20512508583), (3, 6837502861), (7, 2930358369), (21, 976786123), (59, 347669637), (177, 115889879), (413, 49667091), (1239, 16555697)]