20272142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2099}}^1$

素因数の和:2551

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12991858

約数列:

[1, 2, 11, 22, 439, 878, 2099, 4198, 4829, 9658, 23089, 46178, 921461, 1842922, 10136071, 20272142]

約数ペア:

[(1, 20272142), (2, 10136071), (11, 1842922), (22, 921461), (439, 46178), (878, 23089), (2099, 9658), (4198, 4829)]