20799548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67531}}^1$

素因数の和:67553

約数の個数: 24

約数和(自身を含む): 45381504

約数和(自身を除く): 24581956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67531, 135062, 270124, 472717, 742841, 945434, 1485682, 1890868, 2971364, 5199887, 10399774, 20799548]

約数ペア:

[(1, 20799548), (2, 10399774), (4, 5199887), (7, 2971364), (11, 1890868), (14, 1485682), (22, 945434), (28, 742841), (44, 472717), (77, 270124), (154, 135062), (308, 67531)]