20711835

素因数分解:

$3^3\times 5^1\times {\mathrm{153421}}^1$

素因数の和:153435

約数の個数: 16

約数和(自身を含む): 36821280

約数和(自身を除く): 16109445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153421, 460263, 767105, 1380789, 2301315, 4142367, 6903945, 20711835]

約数ペア:

[(1, 20711835), (3, 6903945), (5, 4142367), (9, 2301315), (15, 1380789), (27, 767105), (45, 460263), (135, 153421)]