20593456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 43285424

約数和(自身を除く): 22691968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 547, 724, 1094, 1448, 2188, 2353, 2896, 4376, 4706, 7111, 8752, 9412, 14222, 18824, 28444, 37648, 56888, 99007, 113776, 198014, 396028, 792056, 1287091, 1584112, 2574182, 5148364, 10296728, 20593456]

約数ペア:

[(1, 20593456), (2, 10296728), (4, 5148364), (8, 2574182), (13, 1584112), (16, 1287091), (26, 792056), (52, 396028), (104, 198014), (181, 113776), (208, 99007), (362, 56888), (547, 37648), (724, 28444), (1094, 18824), (1448, 14222), (2188, 9412), (2353, 8752), (2896, 7111), (4376, 4706)]