20804948301

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{15077}}^1$

素因数の和:15705

約数の個数: 32

約数和(自身を含む): 29934051840

約数和(自身を除く): 9129103539

約数列:

[1, 3, 19, 43, 57, 129, 563, 817, 1689, 2451, 10697, 15077, 24209, 32091, 45231, 72627, 286463, 459971, 648311, 859389, 1379913, 1944933, 8488351, 12317909, 25465053, 36953727, 161278669, 364999093, 483836007, 1094997279, 6934982767, 20804948301]

約数ペア:

[(1, 20804948301), (3, 6934982767), (19, 1094997279), (43, 483836007), (57, 364999093), (129, 161278669), (563, 36953727), (817, 25465053), (1689, 12317909), (2451, 8488351), (10697, 1944933), (15077, 1379913), (24209, 859389), (32091, 648311), (45231, 459971), (72627, 286463)]