20074527

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 12619233

約数列:

[1, 3, 9, 11, 27, 33, 99, 257, 263, 297, 771, 789, 2313, 2367, 2827, 2893, 6939, 7101, 8481, 8679, 25443, 26037, 67591, 76329, 78111, 202773, 608319, 743501, 1824957, 2230503, 6691509, 20074527]

約数ペア:

[(1, 20074527), (3, 6691509), (9, 2230503), (11, 1824957), (27, 743501), (33, 608319), (99, 202773), (257, 78111), (263, 76329), (297, 67591), (771, 26037), (789, 25443), (2313, 8679), (2367, 8481), (2827, 7101), (2893, 6939)]