20147520965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{531667}}^1$

素因数の和:531749

約数の個数: 32

約数和(自身を含む): 28939752576

約数和(自身を除く): 8792231611

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 265, 583, 689, 715, 2915, 3445, 7579, 37895, 531667, 2658335, 5848337, 6911671, 28178351, 29241685, 34558355, 76028381, 140891755, 309961861, 366318563, 380141905, 1549809305, 1831592815, 4029504193, 20147520965]

約数ペア:

[(1, 20147520965), (5, 4029504193), (11, 1831592815), (13, 1549809305), (53, 380141905), (55, 366318563), (65, 309961861), (143, 140891755), (265, 76028381), (583, 34558355), (689, 29241685), (715, 28178351), (2915, 6911671), (3445, 5848337), (7579, 2658335), (37895, 531667)]