20121293984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{436357}}^1$

素因数の和:436509

約数の個数: 48

約数和(自身を含む): 43545037536

約数和(自身を除く): 23423743552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 131, 176, 262, 352, 524, 1048, 1441, 2096, 2882, 4192, 5764, 11528, 23056, 46112, 436357, 872714, 1745428, 3490856, 4799927, 6981712, 9599854, 13963424, 19199708, 38399416, 57162767, 76798832, 114325534, 153597664, 228651068, 457302136, 628790437, 914604272, 1257580874, 1829208544, 2515161748, 5030323496, 10060646992, 20121293984]

約数ペア:

[(1, 20121293984), (2, 10060646992), (4, 5030323496), (8, 2515161748), (11, 1829208544), (16, 1257580874), (22, 914604272), (32, 628790437), (44, 457302136), (88, 228651068), (131, 153597664), (176, 114325534), (262, 76798832), (352, 57162767), (524, 38399416), (1048, 19199708), (1441, 13963424), (2096, 9599854), (2882, 6981712), (4192, 4799927), (5764, 3490856), (11528, 1745428), (23056, 872714), (46112, 436357)]