20168772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129287}}^1$

素因数の和:129307

約数の個数: 24

約数和(自身を含む): 50680896

約数和(自身を除く): 30512124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129287, 258574, 387861, 517148, 775722, 1551444, 1680731, 3361462, 5042193, 6722924, 10084386, 20168772]

約数ペア:

[(1, 20168772), (2, 10084386), (3, 6722924), (4, 5042193), (6, 3361462), (12, 1680731), (13, 1551444), (26, 775722), (39, 517148), (52, 387861), (78, 258574), (156, 129287)]