20123408445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{1117}}^1$

素因数の和:1459

約数の個数: 96

約数和(自身を含む): 37978656768

約数和(自身を除く): 17855248323

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 193, 245, 381, 579, 635, 735, 889, 965, 1117, 1351, 1905, 2667, 2895, 3351, 4053, 4445, 5585, 6223, 6755, 7819, 9457, 13335, 16755, 18669, 20265, 23457, 24511, 28371, 31115, 39095, 47285, 54733, 73533, 93345, 117285, 122555, 141855, 141859, 164199, 171577, 215581, 273665, 367665, 425577, 514731, 646743, 709295, 820995, 857885, 993013, 1077905, 1201039, 1509067, 2127885, 2573655, 2979039, 3233715, 3603117, 4527201, 4965065, 6005195, 6951091, 7545335, 10563469, 14895195, 18015585, 20853273, 22636005, 27378787, 31690407, 34755455, 52817345, 82136361, 104266365, 136893935, 158452035, 191651509, 410681805, 574954527, 958257545, 1341560563, 2874772635, 4024681689, 6707802815, 20123408445]

約数ペア:

[(1, 20123408445), (3, 6707802815), (5, 4024681689), (7, 2874772635), (15, 1341560563), (21, 958257545), (35, 574954527), (49, 410681805), (105, 191651509), (127, 158452035), (147, 136893935), (193, 104266365), (245, 82136361), (381, 52817345), (579, 34755455), (635, 31690407), (735, 27378787), (889, 22636005), (965, 20853273), (1117, 18015585), (1351, 14895195), (1905, 10563469), (2667, 7545335), (2895, 6951091), (3351, 6005195), (4053, 4965065), (4445, 4527201), (5585, 3603117), (6223, 3233715), (6755, 2979039), (7819, 2573655), (9457, 2127885), (13335, 1509067), (16755, 1201039), (18669, 1077905), (20265, 993013), (23457, 857885), (24511, 820995), (28371, 709295), (31115, 646743), (39095, 514731), (47285, 425577), (54733, 367665), (73533, 273665), (93345, 215581), (117285, 171577), (122555, 164199), (141855, 141859)]