20389474272

素因数分解:

$2^5\times 3^1\times {\mathrm{811}}^1\times {\mathrm{261887}}^1$

素因数の和:262711

約数の個数: 48

約数和(自身を含む): 53588570112

約数和(自身を除く): 33199095840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 811, 1622, 2433, 3244, 4866, 6488, 9732, 12976, 19464, 25952, 38928, 77856, 261887, 523774, 785661, 1047548, 1571322, 2095096, 3142644, 4190192, 6285288, 8380384, 12570576, 25141152, 212390357, 424780714, 637171071, 849561428, 1274342142, 1699122856, 2548684284, 3398245712, 5097368568, 6796491424, 10194737136, 20389474272]

約数ペア:

[(1, 20389474272), (2, 10194737136), (3, 6796491424), (4, 5097368568), (6, 3398245712), (8, 2548684284), (12, 1699122856), (16, 1274342142), (24, 849561428), (32, 637171071), (48, 424780714), (96, 212390357), (811, 25141152), (1622, 12570576), (2433, 8380384), (3244, 6285288), (4866, 4190192), (6488, 3142644), (9732, 2095096), (12976, 1571322), (19464, 1047548), (25952, 785661), (38928, 523774), (77856, 261887)]