20494084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20743}}^1$

素因数の和:20779

約数の個数: 24

約数和(自身を含む): 40658240

約数和(自身を除く): 20164156

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20743, 41486, 82972, 269659, 394117, 539318, 788234, 1078636, 1576468, 5123521, 10247042, 20494084]

約数ペア:

[(1, 20494084), (2, 10247042), (4, 5123521), (13, 1576468), (19, 1078636), (26, 788234), (38, 539318), (52, 394117), (76, 269659), (247, 82972), (494, 41486), (988, 20743)]