20515511744

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{467}}^1$

素因数の和:915

約数の個数: 224

約数和(自身を含む): 52988382720

約数和(自身を除く): 32472870976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 397, 416, 448, 467, 494, 532, 608, 728, 794, 832, 934, 988, 1064, 1216, 1456, 1588, 1729, 1868, 1976, 2128, 2779, 2912, 3176, 3269, 3458, 3736, 3952, 4256, 5161, 5558, 5824, 6071, 6352, 6538, 6916, 7472, 7543, 7904, 8512, 8873, 10322, 11116, 12142, 12704, 13076, 13832, 14944, 15086, 15808, 17746, 20644, 22232, 24284, 25408, 26152, 27664, 29888, 30172, 35492, 36127, 41288, 42497, 44464, 48568, 52304, 52801, 55328, 60344, 62111, 70984, 72254, 82576, 84994, 88928, 97136, 98059, 104608, 105602, 110656, 115349, 120688, 124222, 141968, 144508, 165152, 169988, 177856, 185399, 194272, 196118, 209216, 211204, 230698, 241376, 248444, 283936, 289016, 330304, 339976, 370798, 388544, 392236, 422408, 461396, 482752, 496888, 567872, 578032, 679952, 686413, 741596, 784472, 807443, 844816, 922792, 993776, 1156064, 1297793, 1359904, 1372826, 1483192, 1568944, 1614886, 1689632, 1845584, 1987552, 2312128, 2410187, 2595586, 2719808, 2745652, 2966384, 3137888, 3229772, 3379264, 3522581, 3691168, 3975104, 4820374, 5191172, 5491304, 5932768, 6275776, 6459544, 7045162, 7382336, 9640748, 10382344, 10982608, 11865536, 12919088, 14090324, 16871309, 19281496, 20764688, 21965216, 24658067, 25838176, 28180648, 33742618, 38562992, 41529376, 43930432, 45793553, 49316134, 51676352, 56361296, 67485236, 77125984, 83058752, 91587106, 98632268, 112722592, 134970472, 154251968, 183174212, 197264536, 225445184, 269940944, 320554871, 366348424, 394529072, 539881888, 641109742, 732696848, 789058144, 1079763776, 1282219484, 1465393696, 1578116288, 2564438968, 2930787392, 5128877936, 10257755872, 20515511744]

約数ペア:

[(1, 20515511744), (2, 10257755872), (4, 5128877936), (7, 2930787392), (8, 2564438968), (13, 1578116288), (14, 1465393696), (16, 1282219484), (19, 1079763776), (26, 789058144), (28, 732696848), (32, 641109742), (38, 539881888), (52, 394529072), (56, 366348424), (64, 320554871), (76, 269940944), (91, 225445184), (104, 197264536), (112, 183174212), (133, 154251968), (152, 134970472), (182, 112722592), (208, 98632268), (224, 91587106), (247, 83058752), (266, 77125984), (304, 67485236), (364, 56361296), (397, 51676352), (416, 49316134), (448, 45793553), (467, 43930432), (494, 41529376), (532, 38562992), (608, 33742618), (728, 28180648), (794, 25838176), (832, 24658067), (934, 21965216), (988, 20764688), (1064, 19281496), (1216, 16871309), (1456, 14090324), (1588, 12919088), (1729, 11865536), (1868, 10982608), (1976, 10382344), (2128, 9640748), (2779, 7382336), (2912, 7045162), (3176, 6459544), (3269, 6275776), (3458, 5932768), (3736, 5491304), (3952, 5191172), (4256, 4820374), (5161, 3975104), (5558, 3691168), (5824, 3522581), (6071, 3379264), (6352, 3229772), (6538, 3137888), (6916, 2966384), (7472, 2745652), (7543, 2719808), (7904, 2595586), (8512, 2410187), (8873, 2312128), (10322, 1987552), (11116, 1845584), (12142, 1689632), (12704, 1614886), (13076, 1568944), (13832, 1483192), (14944, 1372826), (15086, 1359904), (15808, 1297793), (17746, 1156064), (20644, 993776), (22232, 922792), (24284, 844816), (25408, 807443), (26152, 784472), (27664, 741596), (29888, 686413), (30172, 679952), (35492, 578032), (36127, 567872), (41288, 496888), (42497, 482752), (44464, 461396), (48568, 422408), (52304, 392236), (52801, 388544), (55328, 370798), (60344, 339976), (62111, 330304), (70984, 289016), (72254, 283936), (82576, 248444), (84994, 241376), (88928, 230698), (97136, 211204), (98059, 209216), (104608, 196118), (105602, 194272), (110656, 185399), (115349, 177856), (120688, 169988), (124222, 165152), (141968, 144508)]