20201712

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1350

約数の個数: 80

約数和(自身を含む): 58210560

約数和(自身を除く): 38008848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 646, 816, 912, 969, 1292, 1303, 1938, 2584, 2606, 3876, 3909, 5168, 5212, 7752, 7818, 10424, 15504, 15636, 20848, 22151, 24757, 31272, 44302, 49514, 62544, 66453, 74271, 88604, 99028, 132906, 148542, 177208, 198056, 265812, 297084, 354416, 396112, 420869, 531624, 594168, 841738, 1063248, 1188336, 1262607, 1683476, 2525214, 3366952, 5050428, 6733904, 10100856, 20201712]

約数ペア:

[(1, 20201712), (2, 10100856), (3, 6733904), (4, 5050428), (6, 3366952), (8, 2525214), (12, 1683476), (16, 1262607), (17, 1188336), (19, 1063248), (24, 841738), (34, 594168), (38, 531624), (48, 420869), (51, 396112), (57, 354416), (68, 297084), (76, 265812), (102, 198056), (114, 177208), (136, 148542), (152, 132906), (204, 99028), (228, 88604), (272, 74271), (304, 66453), (323, 62544), (408, 49514), (456, 44302), (646, 31272), (816, 24757), (912, 22151), (969, 20848), (1292, 15636), (1303, 15504), (1938, 10424), (2584, 7818), (2606, 7752), (3876, 5212), (3909, 5168)]