20406865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 26589888

約数和(自身を除く): 6183023

約数列:

[1, 5, 23, 29, 115, 145, 211, 667, 841, 1055, 3335, 4205, 4853, 6119, 19343, 24265, 30595, 96715, 140737, 177451, 703685, 887255, 4081373, 20406865]

約数ペア:

[(1, 20406865), (5, 4081373), (23, 887255), (29, 703685), (115, 177451), (145, 140737), (211, 96715), (667, 30595), (841, 24265), (1055, 19343), (3335, 6119), (4205, 4853)]