20424908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23531}}^1$

素因数の和:23573

約数の個数: 24

約数和(自身を含む): 42169344

約数和(自身を除く): 21744436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23531, 47062, 94124, 164717, 329434, 658868, 729461, 1458922, 2917844, 5106227, 10212454, 20424908]

約数ペア:

[(1, 20424908), (2, 10212454), (4, 5106227), (7, 2917844), (14, 1458922), (28, 729461), (31, 658868), (62, 329434), (124, 164717), (217, 94124), (434, 47062), (868, 23531)]