20778811235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{333341}}^1$

素因数の和:333503

約数の個数: 32

約数和(自身を含む): 30912803712

約数和(自身を除く): 10133992477

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 455, 685, 959, 1781, 4795, 8905, 12467, 62335, 333341, 1666705, 2333387, 4333433, 11666935, 21667165, 30334031, 45667717, 151670155, 228338585, 319674019, 593680321, 1598370095, 2968401605, 4155762247, 20778811235]

約数ペア:

[(1, 20778811235), (5, 4155762247), (7, 2968401605), (13, 1598370095), (35, 593680321), (65, 319674019), (91, 228338585), (137, 151670155), (455, 45667717), (685, 30334031), (959, 21667165), (1781, 11666935), (4795, 4333433), (8905, 2333387), (12467, 1666705), (62335, 333341)]