20969784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 65356200

約数和(自身を除く): 44386416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 29, 33, 36, 44, 58, 66, 72, 83, 87, 88, 99, 116, 121, 132, 166, 174, 198, 232, 242, 249, 261, 264, 319, 332, 348, 363, 396, 484, 498, 522, 638, 664, 696, 726, 747, 792, 913, 957, 968, 996, 1044, 1089, 1276, 1452, 1494, 1826, 1914, 1992, 2088, 2178, 2407, 2552, 2739, 2871, 2904, 2988, 3509, 3652, 3828, 4356, 4814, 5478, 5742, 5976, 7018, 7221, 7304, 7656, 8217, 8712, 9628, 10043, 10527, 10956, 11484, 14036, 14442, 16434, 19256, 20086, 21054, 21663, 21912, 22968, 26477, 28072, 28884, 30129, 31581, 32868, 40172, 42108, 43326, 52954, 57768, 60258, 63162, 65736, 79431, 80344, 84216, 86652, 90387, 105908, 120516, 126324, 158862, 173304, 180774, 211816, 238293, 241032, 252648, 291247, 317724, 361548, 476586, 582494, 635448, 723096, 873741, 953172, 1164988, 1747482, 1906344, 2329976, 2621223, 3494964, 5242446, 6989928, 10484892, 20969784]

約数ペア:

[(1, 20969784), (2, 10484892), (3, 6989928), (4, 5242446), (6, 3494964), (8, 2621223), (9, 2329976), (11, 1906344), (12, 1747482), (18, 1164988), (22, 953172), (24, 873741), (29, 723096), (33, 635448), (36, 582494), (44, 476586), (58, 361548), (66, 317724), (72, 291247), (83, 252648), (87, 241032), (88, 238293), (99, 211816), (116, 180774), (121, 173304), (132, 158862), (166, 126324), (174, 120516), (198, 105908), (232, 90387), (242, 86652), (249, 84216), (261, 80344), (264, 79431), (319, 65736), (332, 63162), (348, 60258), (363, 57768), (396, 52954), (484, 43326), (498, 42108), (522, 40172), (638, 32868), (664, 31581), (696, 30129), (726, 28884), (747, 28072), (792, 26477), (913, 22968), (957, 21912), (968, 21663), (996, 21054), (1044, 20086), (1089, 19256), (1276, 16434), (1452, 14442), (1494, 14036), (1826, 11484), (1914, 10956), (1992, 10527), (2088, 10043), (2178, 9628), (2407, 8712), (2552, 8217), (2739, 7656), (2871, 7304), (2904, 7221), (2988, 7018), (3509, 5976), (3652, 5742), (3828, 5478), (4356, 4814)]