20137223841

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 33977180160

約数和(自身を除く): 13839956319

約数列:

[1, 3, 7, 21, 29, 37, 41, 71, 87, 111, 123, 203, 213, 259, 287, 307, 497, 609, 777, 861, 921, 1073, 1189, 1491, 1517, 2059, 2149, 2627, 2911, 3219, 3567, 4551, 6177, 6447, 7511, 7881, 8323, 8733, 8903, 10619, 11359, 12587, 14413, 18389, 20377, 21797, 22533, 24969, 26709, 31857, 34077, 37761, 43239, 43993, 55167, 61131, 62321, 65391, 76183, 79513, 84419, 88109, 107707, 131979, 152579, 186963, 228549, 238539, 253257, 264327, 307951, 323121, 329411, 365023, 457737, 465719, 533281, 590933, 632113, 753949, 806489, 893677, 923853, 988233, 1095069, 1397157, 1599843, 1772799, 1896339, 2261847, 2305877, 2419467, 2555161, 2681031, 3123503, 3260033, 4424791, 5645423, 6255739, 6917631, 7665483, 9370509, 9780099, 13274373, 13505851, 16936269, 18767217, 21864521, 23388181, 25916633, 33066049, 40517553, 65593563, 70164543, 77749899, 94540957, 99198147, 163717267, 181416431, 231462343, 283622871, 491151801, 544249293, 694387029, 958915421, 2876746263, 6712407947, 20137223841]

約数ペア:

[(1, 20137223841), (3, 6712407947), (7, 2876746263), (21, 958915421), (29, 694387029), (37, 544249293), (41, 491151801), (71, 283622871), (87, 231462343), (111, 181416431), (123, 163717267), (203, 99198147), (213, 94540957), (259, 77749899), (287, 70164543), (307, 65593563), (497, 40517553), (609, 33066049), (777, 25916633), (861, 23388181), (921, 21864521), (1073, 18767217), (1189, 16936269), (1491, 13505851), (1517, 13274373), (2059, 9780099), (2149, 9370509), (2627, 7665483), (2911, 6917631), (3219, 6255739), (3567, 5645423), (4551, 4424791), (6177, 3260033), (6447, 3123503), (7511, 2681031), (7881, 2555161), (8323, 2419467), (8733, 2305877), (8903, 2261847), (10619, 1896339), (11359, 1772799), (12587, 1599843), (14413, 1397157), (18389, 1095069), (20377, 988233), (21797, 923853), (22533, 893677), (24969, 806489), (26709, 753949), (31857, 632113), (34077, 590933), (37761, 533281), (43239, 465719), (43993, 457737), (55167, 365023), (61131, 329411), (62321, 323121), (65391, 307951), (76183, 264327), (79513, 253257), (84419, 238539), (88109, 228549), (107707, 186963), (131979, 152579)]