20972656

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3631}}^1$

素因数の和:3677

約数の個数: 30

約数和(自身を含む): 42897552

約数和(自身を除く): 21924896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3631, 5776, 7262, 14524, 29048, 58096, 68989, 137978, 275956, 551912, 1103824, 1310791, 2621582, 5243164, 10486328, 20972656]

約数ペア:

[(1, 20972656), (2, 10486328), (4, 5243164), (8, 2621582), (16, 1310791), (19, 1103824), (38, 551912), (76, 275956), (152, 137978), (304, 68989), (361, 58096), (722, 29048), (1444, 14524), (2888, 7262), (3631, 5776)]