20112312

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 38985288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 37, 44, 58, 66, 71, 74, 87, 88, 111, 116, 132, 142, 148, 174, 213, 222, 232, 264, 284, 296, 319, 348, 407, 426, 444, 568, 638, 696, 781, 814, 852, 888, 957, 1073, 1221, 1276, 1562, 1628, 1704, 1914, 2059, 2146, 2343, 2442, 2552, 2627, 3124, 3219, 3256, 3828, 4118, 4292, 4686, 4884, 5254, 6177, 6248, 6438, 7656, 7881, 8236, 8584, 9372, 9768, 10508, 11803, 12354, 12876, 15762, 16472, 18744, 21016, 22649, 23606, 24708, 25752, 28897, 31524, 35409, 45298, 47212, 49416, 57794, 63048, 67947, 70818, 76183, 86691, 90596, 94424, 115588, 135894, 141636, 152366, 173382, 181192, 228549, 231176, 271788, 283272, 304732, 346764, 457098, 543576, 609464, 693528, 838013, 914196, 1676026, 1828392, 2514039, 3352052, 5028078, 6704104, 10056156, 20112312]

約数ペア:

[(1, 20112312), (2, 10056156), (3, 6704104), (4, 5028078), (6, 3352052), (8, 2514039), (11, 1828392), (12, 1676026), (22, 914196), (24, 838013), (29, 693528), (33, 609464), (37, 543576), (44, 457098), (58, 346764), (66, 304732), (71, 283272), (74, 271788), (87, 231176), (88, 228549), (111, 181192), (116, 173382), (132, 152366), (142, 141636), (148, 135894), (174, 115588), (213, 94424), (222, 90596), (232, 86691), (264, 76183), (284, 70818), (296, 67947), (319, 63048), (348, 57794), (407, 49416), (426, 47212), (444, 45298), (568, 35409), (638, 31524), (696, 28897), (781, 25752), (814, 24708), (852, 23606), (888, 22649), (957, 21016), (1073, 18744), (1221, 16472), (1276, 15762), (1562, 12876), (1628, 12354), (1704, 11803), (1914, 10508), (2059, 9768), (2146, 9372), (2343, 8584), (2442, 8236), (2552, 7881), (2627, 7656), (3124, 6438), (3219, 6248), (3256, 6177), (3828, 5254), (4118, 4884), (4292, 4686)]