20198636241

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{20507}}^1$

素因数の和:20654

約数の個数: 64

約数和(自身を含む): 34020311040

約数和(自身を除く): 13821674799

約数列:

[1, 3, 7, 17, 21, 31, 51, 89, 93, 119, 217, 267, 357, 527, 623, 651, 1513, 1581, 1869, 2759, 3689, 4539, 8277, 10591, 11067, 19313, 20507, 31773, 46903, 57939, 61521, 140709, 143549, 328321, 348619, 430647, 635717, 984963, 1045857, 1825123, 1907151, 2440333, 4450019, 5475369, 7320999, 10807189, 12775861, 13350057, 31027091, 32421567, 38327583, 56578813, 75650323, 93081273, 169736439, 217189637, 226950969, 396051691, 651568911, 961839821, 1188155073, 2885519463, 6732878747, 20198636241]

約数ペア:

[(1, 20198636241), (3, 6732878747), (7, 2885519463), (17, 1188155073), (21, 961839821), (31, 651568911), (51, 396051691), (89, 226950969), (93, 217189637), (119, 169736439), (217, 93081273), (267, 75650323), (357, 56578813), (527, 38327583), (623, 32421567), (651, 31027091), (1513, 13350057), (1581, 12775861), (1869, 10807189), (2759, 7320999), (3689, 5475369), (4539, 4450019), (8277, 2440333), (10591, 1907151), (11067, 1825123), (19313, 1045857), (20507, 984963), (31773, 635717), (46903, 430647), (57939, 348619), (61521, 328321), (140709, 143549)]