20741147

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 25270272

約数和(自身を除く): 4529125

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2741, 7567, 19187, 63043, 128827, 441301, 901789, 2963021, 20741147]

約数ペア:

[(1, 20741147), (7, 2963021), (23, 901789), (47, 441301), (161, 128827), (329, 63043), (1081, 19187), (2741, 7567)]