20176870581

素因数分解:

$3^3\times 7^2\times {\mathrm{587}}^1\times {\mathrm{25981}}^1$

素因数の和:26591

約数の個数: 48

約数和(自身を含む): 34832508480

約数和(自身を除く): 14655637899

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 587, 1323, 1761, 4109, 5283, 12327, 15849, 25981, 28763, 36981, 77943, 86289, 110943, 181867, 233829, 258867, 545601, 701487, 776601, 1273069, 1636803, 3819207, 4910409, 11457621, 15250847, 34372863, 45752541, 106755929, 137257623, 320267787, 411772869, 747291503, 960803361, 2241874509, 2882410083, 6725623527, 20176870581]

約数ペア:

[(1, 20176870581), (3, 6725623527), (7, 2882410083), (9, 2241874509), (21, 960803361), (27, 747291503), (49, 411772869), (63, 320267787), (147, 137257623), (189, 106755929), (441, 45752541), (587, 34372863), (1323, 15250847), (1761, 11457621), (4109, 4910409), (5283, 3819207), (12327, 1636803), (15849, 1273069), (25981, 776601), (28763, 701487), (36981, 545601), (77943, 258867), (86289, 233829), (110943, 181867)]