20140328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6247}}^1$

素因数の和:6297

約数の個数: 32

約数和(自身を含む): 41986560

約数和(自身を除く): 21846232

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6247, 12494, 24988, 49976, 81211, 162422, 193657, 324844, 387314, 649688, 774628, 1549256, 2517541, 5035082, 10070164, 20140328]

約数ペア:

[(1, 20140328), (2, 10070164), (4, 5035082), (8, 2517541), (13, 1549256), (26, 774628), (31, 649688), (52, 387314), (62, 324844), (104, 193657), (124, 162422), (248, 81211), (403, 49976), (806, 24988), (1612, 12494), (3224, 6247)]