20595717

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 30857216

約数和(自身を除く): 10261499

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 487, 1143, 1461, 4383, 4699, 14097, 18019, 42291, 54057, 61849, 162171, 185547, 556641, 2288413, 6865239, 20595717]

約数ペア:

[(1, 20595717), (3, 6865239), (9, 2288413), (37, 556641), (111, 185547), (127, 162171), (333, 61849), (381, 54057), (487, 42291), (1143, 18019), (1461, 14097), (4383, 4699)]