20085195088

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2689}}^1\times {\mathrm{3923}}^1$

素因数の和:6644

約数の個数: 80

約数和(自身を含む): 47120019840

約数和(自身を除く): 27034824752

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 2689, 3923, 5378, 7846, 10756, 15692, 18823, 21512, 27461, 31384, 37646, 43024, 45713, 54922, 62768, 66691, 75292, 91426, 109844, 133382, 150584, 182852, 219688, 266764, 301168, 319991, 365704, 439376, 466837, 533528, 639982, 731408, 933674, 1067056, 1279964, 1867348, 2559928, 3734696, 5119856, 7469392, 10548947, 21097894, 42195788, 73842629, 84391576, 147685258, 168783152, 179332099, 295370516, 358664198, 590741032, 717328396, 1181482064, 1255324693, 1434656792, 2510649386, 2869313584, 5021298772, 10042597544, 20085195088]

約数ペア:

[(1, 20085195088), (2, 10042597544), (4, 5021298772), (7, 2869313584), (8, 2510649386), (14, 1434656792), (16, 1255324693), (17, 1181482064), (28, 717328396), (34, 590741032), (56, 358664198), (68, 295370516), (112, 179332099), (119, 168783152), (136, 147685258), (238, 84391576), (272, 73842629), (476, 42195788), (952, 21097894), (1904, 10548947), (2689, 7469392), (3923, 5119856), (5378, 3734696), (7846, 2559928), (10756, 1867348), (15692, 1279964), (18823, 1067056), (21512, 933674), (27461, 731408), (31384, 639982), (37646, 533528), (43024, 466837), (45713, 439376), (54922, 365704), (62768, 319991), (66691, 301168), (75292, 266764), (91426, 219688), (109844, 182852), (133382, 150584)]