20259837

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4027}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 32256224

約数和(自身を除く): 11996387

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4027, 5031, 12081, 36243, 52351, 157053, 173161, 471159, 519483, 1558449, 2251093, 6753279, 20259837]

約数ペア:

[(1, 20259837), (3, 6753279), (9, 2251093), (13, 1558449), (39, 519483), (43, 471159), (117, 173161), (129, 157053), (387, 52351), (559, 36243), (1677, 12081), (4027, 5031)]