20714895

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1319}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 15321105

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1319, 1745, 3141, 3957, 5235, 6595, 11871, 15705, 19785, 59355, 460331, 1380993, 2301655, 4142979, 6904965, 20714895]

約数ペア:

[(1, 20714895), (3, 6904965), (5, 4142979), (9, 2301655), (15, 1380993), (45, 460331), (349, 59355), (1047, 19785), (1319, 15705), (1745, 11871), (3141, 6595), (3957, 5235)]