20154288

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 240

約数和(自身を含む): 71245440

約数和(自身を除く): 51091152

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 41, 42, 44, 48, 49, 56, 57, 66, 76, 77, 82, 84, 88, 98, 112, 114, 123, 132, 133, 147, 152, 154, 164, 168, 176, 196, 209, 228, 231, 246, 264, 266, 287, 294, 304, 308, 328, 336, 392, 399, 418, 451, 456, 462, 492, 528, 532, 539, 574, 588, 616, 627, 656, 779, 784, 798, 836, 861, 902, 912, 924, 931, 984, 1064, 1078, 1148, 1176, 1232, 1254, 1353, 1463, 1558, 1596, 1617, 1672, 1722, 1804, 1848, 1862, 1968, 2009, 2128, 2156, 2296, 2337, 2352, 2508, 2706, 2793, 2926, 3116, 3157, 3192, 3234, 3344, 3444, 3608, 3696, 3724, 4018, 4312, 4389, 4592, 4674, 5016, 5412, 5453, 5586, 5852, 6027, 6232, 6314, 6384, 6468, 6888, 7216, 7448, 8036, 8569, 8624, 8778, 9348, 9471, 10032, 10241, 10824, 10906, 11172, 11704, 12054, 12464, 12628, 12936, 13776, 14896, 16072, 16359, 17138, 17556, 18696, 18942, 20482, 21648, 21812, 22099, 22344, 23408, 24108, 25256, 25707, 25872, 30723, 32144, 32718, 34276, 35112, 37392, 37884, 38171, 40964, 43624, 44198, 44688, 48216, 50512, 51414, 59983, 61446, 65436, 66297, 68552, 70224, 75768, 76342, 81928, 87248, 88396, 96432, 102828, 114513, 119966, 122892, 130872, 132594, 137104, 151536, 152684, 163856, 176792, 179949, 205656, 229026, 239932, 245784, 261744, 265188, 305368, 353584, 359898, 411312, 419881, 458052, 479864, 491568, 530376, 610736, 719796, 839762, 916104, 959728, 1060752, 1259643, 1439592, 1679524, 1832208, 2519286, 2879184, 3359048, 5038572, 6718096, 10077144, 20154288]

約数ペア:

[(1, 20154288), (2, 10077144), (3, 6718096), (4, 5038572), (6, 3359048), (7, 2879184), (8, 2519286), (11, 1832208), (12, 1679524), (14, 1439592), (16, 1259643), (19, 1060752), (21, 959728), (22, 916104), (24, 839762), (28, 719796), (33, 610736), (38, 530376), (41, 491568), (42, 479864), (44, 458052), (48, 419881), (49, 411312), (56, 359898), (57, 353584), (66, 305368), (76, 265188), (77, 261744), (82, 245784), (84, 239932), (88, 229026), (98, 205656), (112, 179949), (114, 176792), (123, 163856), (132, 152684), (133, 151536), (147, 137104), (152, 132594), (154, 130872), (164, 122892), (168, 119966), (176, 114513), (196, 102828), (209, 96432), (228, 88396), (231, 87248), (246, 81928), (264, 76342), (266, 75768), (287, 70224), (294, 68552), (304, 66297), (308, 65436), (328, 61446), (336, 59983), (392, 51414), (399, 50512), (418, 48216), (451, 44688), (456, 44198), (462, 43624), (492, 40964), (528, 38171), (532, 37884), (539, 37392), (574, 35112), (588, 34276), (616, 32718), (627, 32144), (656, 30723), (779, 25872), (784, 25707), (798, 25256), (836, 24108), (861, 23408), (902, 22344), (912, 22099), (924, 21812), (931, 21648), (984, 20482), (1064, 18942), (1078, 18696), (1148, 17556), (1176, 17138), (1232, 16359), (1254, 16072), (1353, 14896), (1463, 13776), (1558, 12936), (1596, 12628), (1617, 12464), (1672, 12054), (1722, 11704), (1804, 11172), (1848, 10906), (1862, 10824), (1968, 10241), (2009, 10032), (2128, 9471), (2156, 9348), (2296, 8778), (2337, 8624), (2352, 8569), (2508, 8036), (2706, 7448), (2793, 7216), (2926, 6888), (3116, 6468), (3157, 6384), (3192, 6314), (3234, 6232), (3344, 6027), (3444, 5852), (3608, 5586), (3696, 5453), (3724, 5412), (4018, 5016), (4312, 4674), (4389, 4592)]