20488104

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50273496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 53, 56, 59, 63, 72, 78, 84, 91, 104, 106, 117, 118, 126, 156, 159, 168, 177, 182, 212, 234, 236, 252, 273, 312, 318, 354, 364, 371, 413, 424, 468, 472, 477, 504, 531, 546, 636, 689, 708, 728, 742, 767, 819, 826, 936, 954, 1062, 1092, 1113, 1239, 1272, 1378, 1416, 1484, 1534, 1638, 1652, 1908, 2067, 2124, 2184, 2226, 2301, 2478, 2756, 2968, 3068, 3127, 3276, 3304, 3339, 3717, 3816, 4134, 4248, 4452, 4602, 4823, 4956, 5369, 5512, 6136, 6201, 6254, 6552, 6678, 6903, 7434, 8268, 8904, 9204, 9381, 9646, 9912, 10738, 12402, 12508, 13356, 13806, 14469, 14868, 16107, 16536, 18408, 18762, 19292, 21476, 21889, 24804, 25016, 26712, 27612, 28143, 28938, 29736, 32214, 37524, 38584, 40651, 42952, 43407, 43778, 48321, 49608, 55224, 56286, 57876, 64428, 65667, 75048, 81302, 86814, 87556, 96642, 112572, 115752, 121953, 128856, 131334, 162604, 173628, 175112, 193284, 197001, 225144, 243906, 262668, 284557, 325208, 347256, 365859, 386568, 394002, 487812, 525336, 569114, 731718, 788004, 853671, 975624, 1138228, 1463436, 1576008, 1707342, 2276456, 2561013, 2926872, 3414684, 5122026, 6829368, 10244052, 20488104]

約数ペア:

[(1, 20488104), (2, 10244052), (3, 6829368), (4, 5122026), (6, 3414684), (7, 2926872), (8, 2561013), (9, 2276456), (12, 1707342), (13, 1576008), (14, 1463436), (18, 1138228), (21, 975624), (24, 853671), (26, 788004), (28, 731718), (36, 569114), (39, 525336), (42, 487812), (52, 394002), (53, 386568), (56, 365859), (59, 347256), (63, 325208), (72, 284557), (78, 262668), (84, 243906), (91, 225144), (104, 197001), (106, 193284), (117, 175112), (118, 173628), (126, 162604), (156, 131334), (159, 128856), (168, 121953), (177, 115752), (182, 112572), (212, 96642), (234, 87556), (236, 86814), (252, 81302), (273, 75048), (312, 65667), (318, 64428), (354, 57876), (364, 56286), (371, 55224), (413, 49608), (424, 48321), (468, 43778), (472, 43407), (477, 42952), (504, 40651), (531, 38584), (546, 37524), (636, 32214), (689, 29736), (708, 28938), (728, 28143), (742, 27612), (767, 26712), (819, 25016), (826, 24804), (936, 21889), (954, 21476), (1062, 19292), (1092, 18762), (1113, 18408), (1239, 16536), (1272, 16107), (1378, 14868), (1416, 14469), (1484, 13806), (1534, 13356), (1638, 12508), (1652, 12402), (1908, 10738), (2067, 9912), (2124, 9646), (2184, 9381), (2226, 9204), (2301, 8904), (2478, 8268), (2756, 7434), (2968, 6903), (3068, 6678), (3127, 6552), (3276, 6254), (3304, 6201), (3339, 6136), (3717, 5512), (3816, 5369), (4134, 4956), (4248, 4823), (4452, 4602)]