20907771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6217}}^1$

素因数の和:6298

約数の個数: 16

約数和(自身を含む): 29846400

約数和(自身を除く): 8938629

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6217, 18651, 118123, 354369, 366803, 1100409, 6969257, 20907771]

約数ペア:

[(1, 20907771), (3, 6969257), (19, 1100409), (57, 366803), (59, 354369), (177, 118123), (1121, 18651), (3363, 6217)]