20107003

素因数分解:

$7^3\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 24

約数和(自身を含む): 24626400

約数和(自身を除く): 4519397

約数列:

[1, 7, 31, 49, 61, 217, 343, 427, 961, 1519, 1891, 2989, 6727, 10633, 13237, 20923, 47089, 58621, 92659, 329623, 410347, 648613, 2872429, 20107003]

約数ペア:

[(1, 20107003), (7, 2872429), (31, 648613), (49, 410347), (61, 329623), (217, 92659), (343, 58621), (427, 47089), (961, 20923), (1519, 13237), (1891, 10633), (2989, 6727)]