20775930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 41155590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 41, 42, 57, 70, 82, 95, 105, 114, 123, 127, 133, 190, 205, 210, 246, 254, 266, 285, 287, 381, 399, 410, 570, 574, 615, 635, 665, 762, 779, 798, 861, 889, 1230, 1270, 1330, 1435, 1558, 1722, 1778, 1905, 1995, 2337, 2413, 2667, 2870, 3810, 3895, 3990, 4305, 4445, 4674, 4826, 5207, 5334, 5453, 7239, 7790, 8610, 8890, 10414, 10906, 11685, 12065, 13335, 14478, 15621, 16359, 16891, 23370, 24130, 26035, 26670, 27265, 31242, 32718, 33782, 36195, 36449, 50673, 52070, 54530, 72390, 72898, 78105, 81795, 84455, 98933, 101346, 109347, 156210, 163590, 168910, 182245, 197866, 218694, 253365, 296799, 364490, 494665, 506730, 546735, 593598, 692531, 989330, 1093470, 1385062, 1483995, 2077593, 2967990, 3462655, 4155186, 6925310, 10387965, 20775930]

約数ペア:

[(1, 20775930), (2, 10387965), (3, 6925310), (5, 4155186), (6, 3462655), (7, 2967990), (10, 2077593), (14, 1483995), (15, 1385062), (19, 1093470), (21, 989330), (30, 692531), (35, 593598), (38, 546735), (41, 506730), (42, 494665), (57, 364490), (70, 296799), (82, 253365), (95, 218694), (105, 197866), (114, 182245), (123, 168910), (127, 163590), (133, 156210), (190, 109347), (205, 101346), (210, 98933), (246, 84455), (254, 81795), (266, 78105), (285, 72898), (287, 72390), (381, 54530), (399, 52070), (410, 50673), (570, 36449), (574, 36195), (615, 33782), (635, 32718), (665, 31242), (762, 27265), (779, 26670), (798, 26035), (861, 24130), (889, 23370), (1230, 16891), (1270, 16359), (1330, 15621), (1435, 14478), (1558, 13335), (1722, 12065), (1778, 11685), (1905, 10906), (1995, 10414), (2337, 8890), (2413, 8610), (2667, 7790), (2870, 7239), (3810, 5453), (3895, 5334), (3990, 5207), (4305, 4826), (4445, 4674)]