20835872

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15881}}^1$

素因数の和:15932

約数の個数: 24

約数和(自身を含む): 42023772

約数和(自身を除く): 21187900

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15881, 31762, 63524, 127048, 254096, 508192, 651121, 1302242, 2604484, 5208968, 10417936, 20835872]

約数ペア:

[(1, 20835872), (2, 10417936), (4, 5208968), (8, 2604484), (16, 1302242), (32, 651121), (41, 508192), (82, 254096), (164, 127048), (328, 63524), (656, 31762), (1312, 15881)]