20802784

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4363}}^1$

素因数の和:4522

約数の個数: 24

約数和(自身を含む): 41239800

約数和(自身を除く): 20437016

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4363, 4768, 8726, 17452, 34904, 69808, 139616, 650087, 1300174, 2600348, 5200696, 10401392, 20802784]

約数ペア:

[(1, 20802784), (2, 10401392), (4, 5200696), (8, 2600348), (16, 1300174), (32, 650087), (149, 139616), (298, 69808), (596, 34904), (1192, 17452), (2384, 8726), (4363, 4768)]