20070279

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 30030000

約数和(自身を除く): 9959721

約数列:

[1, 3, 9, 41, 109, 123, 327, 369, 499, 981, 1497, 4469, 4491, 13407, 20459, 40221, 54391, 61377, 163173, 184131, 489519, 2230031, 6690093, 20070279]

約数ペア:

[(1, 20070279), (3, 6690093), (9, 2230031), (41, 489519), (109, 184131), (123, 163173), (327, 61377), (369, 54391), (499, 40221), (981, 20459), (1497, 13407), (4469, 4491)]