20700135

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27059}}^1$

素因数の和:27087

約数の個数: 24

約数和(自身を含む): 37992240

約数和(自身を除く): 17292105

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27059, 81177, 135295, 243531, 405885, 460003, 1217655, 1380009, 2300015, 4140027, 6900045, 20700135]

約数ペア:

[(1, 20700135), (3, 6900045), (5, 4140027), (9, 2300015), (15, 1380009), (17, 1217655), (45, 460003), (51, 405885), (85, 243531), (153, 135295), (255, 81177), (765, 27059)]