20485164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243871}}^1$

素因数の和:243885

約数の個数: 24

約数和(自身を含む): 54627328

約数和(自身を除く): 34142164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243871, 487742, 731613, 975484, 1463226, 1707097, 2926452, 3414194, 5121291, 6828388, 10242582, 20485164]

約数ペア:

[(1, 20485164), (2, 10242582), (3, 6828388), (4, 5121291), (6, 3414194), (7, 2926452), (12, 1707097), (14, 1463226), (21, 975484), (28, 731613), (42, 487742), (84, 243871)]