20408702985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41229703}}^1$

素因数の和:41229725

約数の個数: 24

約数和(自身を含む): 38591002944

約数和(自身を除く): 18182299959

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41229703, 123689109, 206148515, 371067327, 453526733, 618445545, 1360580199, 1855336635, 2267633665, 4081740597, 6802900995, 20408702985]

約数ペア:

[(1, 20408702985), (3, 6802900995), (5, 4081740597), (9, 2267633665), (11, 1855336635), (15, 1360580199), (33, 618445545), (45, 453526733), (55, 371067327), (99, 206148515), (165, 123689109), (495, 41229703)]