20804577136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3347}}^1$

素因数の和:3531

約数の個数: 160

約数和(自身を含む): 51013877760

約数和(自身を除く): 30209300624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 127, 133, 152, 161, 184, 254, 266, 304, 322, 368, 437, 508, 532, 644, 874, 889, 1016, 1064, 1288, 1748, 1778, 2032, 2128, 2413, 2576, 2921, 3059, 3347, 3496, 3556, 4826, 5842, 6118, 6694, 6992, 7112, 9652, 11684, 12236, 13388, 14224, 16891, 19304, 20447, 23368, 23429, 24472, 26776, 33782, 38608, 40894, 46736, 46858, 48944, 53552, 55499, 63593, 67564, 76981, 81788, 93716, 110998, 127186, 135128, 153962, 163576, 187432, 221996, 254372, 270256, 307924, 327152, 374864, 388493, 425069, 443992, 445151, 508744, 538867, 615848, 776986, 850138, 887984, 890302, 1017488, 1077734, 1231696, 1462639, 1553972, 1700276, 1780604, 2155468, 2925278, 2975483, 3107944, 3400552, 3561208, 4310936, 5850556, 5950966, 6215888, 6801104, 7122416, 8076311, 8621872, 9776587, 10238473, 11701112, 11901932, 16152622, 19553174, 20476946, 23402224, 23803864, 32305244, 39106348, 40953892, 47607728, 56534177, 64610488, 68436109, 78212696, 81907784, 113068354, 129220976, 136872218, 156425392, 163815568, 185755153, 226136708, 273744436, 371510306, 452273416, 547488872, 743020612, 904546832, 1094977744, 1300286071, 1486041224, 2600572142, 2972082448, 5201144284, 10402288568, 20804577136]

約数ペア:

[(1, 20804577136), (2, 10402288568), (4, 5201144284), (7, 2972082448), (8, 2600572142), (14, 1486041224), (16, 1300286071), (19, 1094977744), (23, 904546832), (28, 743020612), (38, 547488872), (46, 452273416), (56, 371510306), (76, 273744436), (92, 226136708), (112, 185755153), (127, 163815568), (133, 156425392), (152, 136872218), (161, 129220976), (184, 113068354), (254, 81907784), (266, 78212696), (304, 68436109), (322, 64610488), (368, 56534177), (437, 47607728), (508, 40953892), (532, 39106348), (644, 32305244), (874, 23803864), (889, 23402224), (1016, 20476946), (1064, 19553174), (1288, 16152622), (1748, 11901932), (1778, 11701112), (2032, 10238473), (2128, 9776587), (2413, 8621872), (2576, 8076311), (2921, 7122416), (3059, 6801104), (3347, 6215888), (3496, 5950966), (3556, 5850556), (4826, 4310936), (5842, 3561208), (6118, 3400552), (6694, 3107944), (6992, 2975483), (7112, 2925278), (9652, 2155468), (11684, 1780604), (12236, 1700276), (13388, 1553972), (14224, 1462639), (16891, 1231696), (19304, 1077734), (20447, 1017488), (23368, 890302), (23429, 887984), (24472, 850138), (26776, 776986), (33782, 615848), (38608, 538867), (40894, 508744), (46736, 445151), (46858, 443992), (48944, 425069), (53552, 388493), (55499, 374864), (63593, 327152), (67564, 307924), (76981, 270256), (81788, 254372), (93716, 221996), (110998, 187432), (127186, 163576), (135128, 153962)]