20655142905

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1\times {\mathrm{21841}}^1$

素因数の和:22857

約数の個数: 32

約数和(自身を含む): 33578667648

約数和(自身を除く): 12923524743

約数列:

[1, 3, 5, 15, 67, 201, 335, 941, 1005, 2823, 4705, 14115, 21841, 63047, 65523, 109205, 189141, 315235, 327615, 945705, 1463347, 4390041, 7316735, 20552381, 21950205, 61657143, 102761905, 308285715, 1377009527, 4131028581, 6885047635, 20655142905]

約数ペア:

[(1, 20655142905), (3, 6885047635), (5, 4131028581), (15, 1377009527), (67, 308285715), (201, 102761905), (335, 61657143), (941, 21950205), (1005, 20552381), (2823, 7316735), (4705, 4390041), (14115, 1463347), (21841, 945705), (63047, 327615), (65523, 315235), (109205, 189141)]