20805795

素因数分解:

$3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{673}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 37204800

約数和(自身を除く): 16399005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 229, 673, 687, 1145, 2019, 2061, 3365, 3435, 6057, 6183, 10095, 10305, 18171, 30285, 30915, 90855, 154117, 462351, 770585, 1387053, 2311755, 4161159, 6935265, 20805795]

約数ペア:

[(1, 20805795), (3, 6935265), (5, 4161159), (9, 2311755), (15, 1387053), (27, 770585), (45, 462351), (135, 154117), (229, 90855), (673, 30915), (687, 30285), (1145, 18171), (2019, 10305), (2061, 10095), (3365, 6183), (3435, 6057)]