20790016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6276

約数の個数: 36

約数和(自身を含む): 44698192

約数和(自身を除く): 23908176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6247, 12494, 24988, 49976, 81211, 99952, 162422, 199904, 324844, 399808, 649688, 799616, 1299376, 1599232, 2598752, 5197504, 10395008, 20790016]

約数ペア:

[(1, 20790016), (2, 10395008), (4, 5197504), (8, 2598752), (13, 1599232), (16, 1299376), (26, 799616), (32, 649688), (52, 399808), (64, 324844), (104, 199904), (128, 162422), (208, 99952), (256, 81211), (416, 49976), (832, 24988), (1664, 12494), (3328, 6247)]