20427616

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 44307648

約数和(自身を除く): 23880032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 131, 176, 262, 352, 443, 524, 886, 1048, 1441, 1772, 2096, 2882, 3544, 4192, 4873, 5764, 7088, 9746, 11528, 14176, 19492, 23056, 38984, 46112, 58033, 77968, 116066, 155936, 232132, 464264, 638363, 928528, 1276726, 1857056, 2553452, 5106904, 10213808, 20427616]

約数ペア:

[(1, 20427616), (2, 10213808), (4, 5106904), (8, 2553452), (11, 1857056), (16, 1276726), (22, 928528), (32, 638363), (44, 464264), (88, 232132), (131, 155936), (176, 116066), (262, 77968), (352, 58033), (443, 46112), (524, 38984), (886, 23056), (1048, 19492), (1441, 14176), (1772, 11528), (2096, 9746), (2882, 7088), (3544, 5764), (4192, 4873)]