20808648

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49952952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 41, 42, 53, 56, 57, 63, 72, 76, 82, 84, 106, 114, 123, 126, 133, 152, 159, 164, 168, 171, 212, 228, 246, 252, 266, 287, 318, 328, 342, 369, 371, 399, 424, 456, 477, 492, 504, 532, 574, 636, 684, 738, 742, 779, 798, 861, 954, 984, 1007, 1064, 1113, 1148, 1197, 1272, 1368, 1476, 1484, 1558, 1596, 1722, 1908, 2014, 2173, 2226, 2296, 2337, 2394, 2583, 2952, 2968, 3021, 3116, 3192, 3339, 3444, 3816, 4028, 4346, 4452, 4674, 4788, 5166, 5453, 6042, 6232, 6519, 6678, 6888, 7011, 7049, 8056, 8692, 8904, 9063, 9348, 9576, 10332, 10906, 12084, 13038, 13356, 14022, 14098, 15211, 16359, 17384, 18126, 18696, 19557, 20664, 21147, 21812, 24168, 26076, 26712, 28044, 28196, 30422, 32718, 36252, 39114, 41287, 42294, 43624, 45633, 49077, 52152, 56088, 56392, 60844, 63441, 65436, 72504, 78228, 82574, 84588, 91266, 98154, 121688, 123861, 126882, 130872, 136899, 156456, 165148, 169176, 182532, 196308, 247722, 253764, 273798, 289009, 330296, 365064, 371583, 392616, 495444, 507528, 547596, 578018, 743166, 867027, 990888, 1095192, 1156036, 1486332, 1734054, 2312072, 2601081, 2972664, 3468108, 5202162, 6936216, 10404324, 20808648]

約数ペア:

[(1, 20808648), (2, 10404324), (3, 6936216), (4, 5202162), (6, 3468108), (7, 2972664), (8, 2601081), (9, 2312072), (12, 1734054), (14, 1486332), (18, 1156036), (19, 1095192), (21, 990888), (24, 867027), (28, 743166), (36, 578018), (38, 547596), (41, 507528), (42, 495444), (53, 392616), (56, 371583), (57, 365064), (63, 330296), (72, 289009), (76, 273798), (82, 253764), (84, 247722), (106, 196308), (114, 182532), (123, 169176), (126, 165148), (133, 156456), (152, 136899), (159, 130872), (164, 126882), (168, 123861), (171, 121688), (212, 98154), (228, 91266), (246, 84588), (252, 82574), (266, 78228), (287, 72504), (318, 65436), (328, 63441), (342, 60844), (369, 56392), (371, 56088), (399, 52152), (424, 49077), (456, 45633), (477, 43624), (492, 42294), (504, 41287), (532, 39114), (574, 36252), (636, 32718), (684, 30422), (738, 28196), (742, 28044), (779, 26712), (798, 26076), (861, 24168), (954, 21812), (984, 21147), (1007, 20664), (1064, 19557), (1113, 18696), (1148, 18126), (1197, 17384), (1272, 16359), (1368, 15211), (1476, 14098), (1484, 14022), (1558, 13356), (1596, 13038), (1722, 12084), (1908, 10906), (2014, 10332), (2173, 9576), (2226, 9348), (2296, 9063), (2337, 8904), (2394, 8692), (2583, 8056), (2952, 7049), (2968, 7011), (3021, 6888), (3116, 6678), (3192, 6519), (3339, 6232), (3444, 6042), (3816, 5453), (4028, 5166), (4346, 4788), (4452, 4674)]