20404329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2351}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 9400215

約数列:

[1, 3, 11, 33, 263, 789, 2351, 2893, 7053, 8679, 25861, 77583, 618313, 1854939, 6801443, 20404329]

約数ペア:

[(1, 20404329), (3, 6801443), (11, 1854939), (33, 618313), (263, 77583), (789, 25861), (2351, 8679), (2893, 7053)]