20589147

素因数分解:

$3^6\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:542

約数の個数: 28

約数和(自身を含む): 31443424

約数和(自身を除く): 10854277

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 463, 549, 729, 1389, 1647, 4167, 4941, 12501, 14823, 28243, 37503, 44469, 84729, 112509, 254187, 337527, 762561, 2287683, 6863049, 20589147]

約数ペア:

[(1, 20589147), (3, 6863049), (9, 2287683), (27, 762561), (61, 337527), (81, 254187), (183, 112509), (243, 84729), (463, 44469), (549, 37503), (729, 28243), (1389, 14823), (1647, 12501), (4167, 4941)]