20430464

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 44339400

約数和(自身を除く): 23908936

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 164, 229, 272, 328, 458, 544, 656, 697, 916, 1088, 1312, 1394, 1832, 2176, 2624, 2788, 3664, 3893, 5248, 5576, 7328, 7786, 9389, 11152, 14656, 15572, 18778, 22304, 29312, 31144, 37556, 44608, 62288, 75112, 89216, 124576, 150224, 159613, 249152, 300448, 319226, 498304, 600896, 638452, 1201792, 1276904, 2553808, 5107616, 10215232, 20430464]

約数ペア:

[(1, 20430464), (2, 10215232), (4, 5107616), (8, 2553808), (16, 1276904), (17, 1201792), (32, 638452), (34, 600896), (41, 498304), (64, 319226), (68, 300448), (82, 249152), (128, 159613), (136, 150224), (164, 124576), (229, 89216), (272, 75112), (328, 62288), (458, 44608), (544, 37556), (656, 31144), (697, 29312), (916, 22304), (1088, 18778), (1312, 15572), (1394, 14656), (1832, 11152), (2176, 9389), (2624, 7786), (2788, 7328), (3664, 5576), (3893, 5248)]