20684413984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49722149}}^1$

素因数の和:49722172

約数の個数: 24

約数和(自身を含む): 43854936300

約数和(自身を除く): 23170522316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49722149, 99444298, 198888596, 397777192, 646387937, 795554384, 1292775874, 1591108768, 2585551748, 5171103496, 10342206992, 20684413984]

約数ペア:

[(1, 20684413984), (2, 10342206992), (4, 5171103496), (8, 2585551748), (13, 1591108768), (16, 1292775874), (26, 795554384), (32, 646387937), (52, 397777192), (104, 198888596), (208, 99444298), (416, 49722149)]