20786927623

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1\times {\mathrm{2473}}^1$

素因数の和:3295

約数の個数: 32

約数和(自身を含む): 26117839872

約数和(自身を除く): 5330912249

約数列:

[1, 7, 11, 77, 173, 631, 1211, 1903, 2473, 4417, 6941, 13321, 17311, 27203, 48587, 109163, 190421, 427829, 764141, 1200793, 1560463, 2994803, 4706119, 8405551, 10923241, 17165093, 32942833, 120155651, 269960099, 1889720693, 2969561089, 20786927623]

約数ペア:

[(1, 20786927623), (7, 2969561089), (11, 1889720693), (77, 269960099), (173, 120155651), (631, 32942833), (1211, 17165093), (1903, 10923241), (2473, 8405551), (4417, 4706119), (6941, 2994803), (13321, 1560463), (17311, 1200793), (27203, 764141), (48587, 427829), (109163, 190421)]