20104948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1091}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 17320076

約数列:

[1, 2, 4, 17, 34, 68, 271, 542, 1084, 1091, 2182, 4364, 4607, 9214, 18428, 18547, 37094, 74188, 295661, 591322, 1182644, 5026237, 10052474, 20104948]

約数ペア:

[(1, 20104948), (2, 10052474), (4, 5026237), (17, 1182644), (34, 591322), (68, 295661), (271, 74188), (542, 37094), (1084, 18547), (1091, 18428), (2182, 9214), (4364, 4607)]