20184521769

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 34060815360

約数和(自身を除く): 13876293591

約数列:

[1, 3, 9, 19, 23, 41, 43, 57, 69, 71, 123, 129, 171, 207, 213, 369, 387, 437, 639, 779, 817, 943, 989, 1311, 1349, 1633, 1681, 1763, 2337, 2451, 2829, 2911, 2967, 3053, 3933, 4047, 4899, 5043, 5289, 7011, 7353, 8487, 8733, 8901, 9159, 12141, 14697, 15129, 15867, 17917, 18791, 26199, 27477, 31027, 31939, 33497, 38663, 40549, 53751, 55309, 56373, 58007, 66953, 70219, 72283, 93081, 95817, 100491, 115989, 119351, 121647, 125173, 161253, 165927, 169119, 174021, 200859, 210657, 216849, 279243, 287451, 301473, 347967, 358053, 364941, 375519, 497781, 522063, 602577, 631971, 650547, 734597, 770431, 1074159, 1126557, 1272107, 1334161, 1373377, 1662509, 2203791, 2267669, 2311293, 2378287, 2745073, 2878979, 3816321, 4002483, 4120131, 4987527, 5132093, 6611373, 6803007, 6933879, 7134861, 8235219, 8636937, 11448963, 12007449, 12360393, 14962581, 15396279, 20409021, 21404583, 24705657, 25910811, 31587671, 46188837, 52156387, 54700601, 94763013, 97509767, 118038139, 156469161, 164101803, 284289039, 292529301, 354114417, 469407483, 492305409, 877587903, 1062343251, 2242724641, 6728173923, 20184521769]

約数ペア:

[(1, 20184521769), (3, 6728173923), (9, 2242724641), (19, 1062343251), (23, 877587903), (41, 492305409), (43, 469407483), (57, 354114417), (69, 292529301), (71, 284289039), (123, 164101803), (129, 156469161), (171, 118038139), (207, 97509767), (213, 94763013), (369, 54700601), (387, 52156387), (437, 46188837), (639, 31587671), (779, 25910811), (817, 24705657), (943, 21404583), (989, 20409021), (1311, 15396279), (1349, 14962581), (1633, 12360393), (1681, 12007449), (1763, 11448963), (2337, 8636937), (2451, 8235219), (2829, 7134861), (2911, 6933879), (2967, 6803007), (3053, 6611373), (3933, 5132093), (4047, 4987527), (4899, 4120131), (5043, 4002483), (5289, 3816321), (7011, 2878979), (7353, 2745073), (8487, 2378287), (8733, 2311293), (8901, 2267669), (9159, 2203791), (12141, 1662509), (14697, 1373377), (15129, 1334161), (15867, 1272107), (17917, 1126557), (18791, 1074159), (26199, 770431), (27477, 734597), (31027, 650547), (31939, 631971), (33497, 602577), (38663, 522063), (40549, 497781), (53751, 375519), (55309, 364941), (56373, 358053), (58007, 347967), (66953, 301473), (70219, 287451), (72283, 279243), (93081, 216849), (95817, 210657), (100491, 200859), (115989, 174021), (119351, 169119), (121647, 165927), (125173, 161253)]