20998595712

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1\times {\mathrm{2437}}^1$

素因数の和:3654

約数の個数: 128

約数和(自身を含む): 58787006400

約数和(自身を除く): 37788410688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 304, 384, 456, 608, 912, 1181, 1216, 1824, 2362, 2432, 2437, 3543, 3648, 4724, 4874, 7086, 7296, 7311, 9448, 9748, 14172, 14622, 18896, 19496, 22439, 28344, 29244, 37792, 38992, 44878, 46303, 56688, 58488, 67317, 75584, 77984, 89756, 92606, 113376, 116976, 134634, 138909, 151168, 155968, 179512, 185212, 226752, 233952, 269268, 277818, 311936, 359024, 370424, 453504, 467904, 538536, 555636, 718048, 740848, 935808, 1077072, 1111272, 1436096, 1481696, 2154144, 2222544, 2872192, 2878097, 2963392, 4308288, 4445088, 5756194, 5926784, 8616576, 8634291, 8890176, 11512388, 17268582, 17780352, 23024776, 34537164, 46049552, 54683843, 69074328, 92099104, 109367686, 138148656, 164051529, 184198208, 218735372, 276297312, 328103058, 368396416, 437470744, 552594624, 656206116, 874941488, 1105189248, 1312412232, 1749882976, 2624824464, 3499765952, 5249648928, 6999531904, 10499297856, 20998595712]

約数ペア:

[(1, 20998595712), (2, 10499297856), (3, 6999531904), (4, 5249648928), (6, 3499765952), (8, 2624824464), (12, 1749882976), (16, 1312412232), (19, 1105189248), (24, 874941488), (32, 656206116), (38, 552594624), (48, 437470744), (57, 368396416), (64, 328103058), (76, 276297312), (96, 218735372), (114, 184198208), (128, 164051529), (152, 138148656), (192, 109367686), (228, 92099104), (304, 69074328), (384, 54683843), (456, 46049552), (608, 34537164), (912, 23024776), (1181, 17780352), (1216, 17268582), (1824, 11512388), (2362, 8890176), (2432, 8634291), (2437, 8616576), (3543, 5926784), (3648, 5756194), (4724, 4445088), (4874, 4308288), (7086, 2963392), (7296, 2878097), (7311, 2872192), (9448, 2222544), (9748, 2154144), (14172, 1481696), (14622, 1436096), (18896, 1111272), (19496, 1077072), (22439, 935808), (28344, 740848), (29244, 718048), (37792, 555636), (38992, 538536), (44878, 467904), (46303, 453504), (56688, 370424), (58488, 359024), (67317, 311936), (75584, 277818), (77984, 269268), (89756, 233952), (92606, 226752), (113376, 185212), (116976, 179512), (134634, 155968), (138909, 151168)]