20507256

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 72334080

約数和(自身を除く): 51826824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 126, 132, 137, 154, 162, 168, 189, 198, 216, 231, 243, 252, 264, 274, 297, 308, 324, 378, 396, 411, 462, 486, 504, 548, 567, 594, 616, 648, 693, 756, 792, 822, 891, 924, 959, 972, 1096, 1134, 1188, 1233, 1386, 1507, 1512, 1644, 1701, 1782, 1848, 1918, 1944, 2079, 2268, 2376, 2466, 2673, 2772, 2877, 3014, 3288, 3402, 3564, 3699, 3836, 4158, 4521, 4536, 4932, 5346, 5544, 5754, 6028, 6237, 6804, 7128, 7398, 7672, 8316, 8631, 9042, 9864, 10549, 10692, 11097, 11508, 12056, 12474, 13563, 13608, 14796, 16632, 17262, 18084, 18711, 21098, 21384, 22194, 23016, 24948, 25893, 27126, 29592, 31647, 33291, 34524, 36168, 37422, 40689, 42196, 44388, 49896, 51786, 54252, 63294, 66582, 69048, 74844, 77679, 81378, 84392, 88776, 94941, 103572, 108504, 122067, 126588, 133164, 149688, 155358, 162756, 189882, 207144, 233037, 244134, 253176, 266328, 284823, 310716, 325512, 366201, 379764, 466074, 488268, 569646, 621432, 732402, 759528, 854469, 932148, 976536, 1139292, 1464804, 1708938, 1864296, 2278584, 2563407, 2929608, 3417876, 5126814, 6835752, 10253628, 20507256]

約数ペア:

[(1, 20507256), (2, 10253628), (3, 6835752), (4, 5126814), (6, 3417876), (7, 2929608), (8, 2563407), (9, 2278584), (11, 1864296), (12, 1708938), (14, 1464804), (18, 1139292), (21, 976536), (22, 932148), (24, 854469), (27, 759528), (28, 732402), (33, 621432), (36, 569646), (42, 488268), (44, 466074), (54, 379764), (56, 366201), (63, 325512), (66, 310716), (72, 284823), (77, 266328), (81, 253176), (84, 244134), (88, 233037), (99, 207144), (108, 189882), (126, 162756), (132, 155358), (137, 149688), (154, 133164), (162, 126588), (168, 122067), (189, 108504), (198, 103572), (216, 94941), (231, 88776), (243, 84392), (252, 81378), (264, 77679), (274, 74844), (297, 69048), (308, 66582), (324, 63294), (378, 54252), (396, 51786), (411, 49896), (462, 44388), (486, 42196), (504, 40689), (548, 37422), (567, 36168), (594, 34524), (616, 33291), (648, 31647), (693, 29592), (756, 27126), (792, 25893), (822, 24948), (891, 23016), (924, 22194), (959, 21384), (972, 21098), (1096, 18711), (1134, 18084), (1188, 17262), (1233, 16632), (1386, 14796), (1507, 13608), (1512, 13563), (1644, 12474), (1701, 12056), (1782, 11508), (1848, 11097), (1918, 10692), (1944, 10549), (2079, 9864), (2268, 9042), (2376, 8631), (2466, 8316), (2673, 7672), (2772, 7398), (2877, 7128), (3014, 6804), (3288, 6237), (3402, 6028), (3564, 5754), (3699, 5544), (3836, 5346), (4158, 4932), (4521, 4536)]