20456079

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3761}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 32593968

約数和(自身を除く): 12137889

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3761, 5439, 11283, 26327, 78981, 139157, 184289, 417471, 552867, 974099, 2922297, 6818693, 20456079]

約数ペア:

[(1, 20456079), (3, 6818693), (7, 2922297), (21, 974099), (37, 552867), (49, 417471), (111, 184289), (147, 139157), (259, 78981), (777, 26327), (1813, 11283), (3761, 5439)]