20171302918

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 36273484800

約数和(自身を除く): 16102181882

約数列:

[1, 2, 13, 19, 26, 38, 41, 71, 82, 83, 142, 166, 169, 247, 338, 494, 533, 779, 923, 1066, 1079, 1349, 1558, 1577, 1846, 2158, 2197, 2698, 2911, 3154, 3211, 3403, 4394, 5822, 5893, 6422, 6806, 6929, 10127, 11786, 11999, 13858, 14027, 17537, 20254, 20501, 23998, 28054, 35074, 37843, 41002, 41743, 44239, 55309, 64657, 75686, 76609, 83486, 88478, 90077, 110618, 111967, 129314, 131651, 153218, 155987, 180154, 182351, 223934, 227981, 241613, 263302, 266513, 311974, 364702, 455962, 483226, 491959, 533026, 575107, 719017, 840541, 983918, 995917, 1150214, 1438034, 1455571, 1681082, 1711463, 1991834, 2911142, 2963753, 3140969, 3422926, 3464669, 4590647, 5927506, 6281938, 6395467, 6929338, 7476391, 9181294, 9347221, 10927033, 12790934, 12946921, 14952782, 18694442, 18922423, 21854066, 25893842, 37844846, 40832597, 59678411, 81665194, 119356822, 121513873, 142051429, 243027746, 245991499, 284102858, 491982998, 530823761, 775819343, 1061647522, 1551638686, 10085651459, 20171302918]

約数ペア:

[(1, 20171302918), (2, 10085651459), (13, 1551638686), (19, 1061647522), (26, 775819343), (38, 530823761), (41, 491982998), (71, 284102858), (82, 245991499), (83, 243027746), (142, 142051429), (166, 121513873), (169, 119356822), (247, 81665194), (338, 59678411), (494, 40832597), (533, 37844846), (779, 25893842), (923, 21854066), (1066, 18922423), (1079, 18694442), (1349, 14952782), (1558, 12946921), (1577, 12790934), (1846, 10927033), (2158, 9347221), (2197, 9181294), (2698, 7476391), (2911, 6929338), (3154, 6395467), (3211, 6281938), (3403, 5927506), (4394, 4590647), (5822, 3464669), (5893, 3422926), (6422, 3140969), (6806, 2963753), (6929, 2911142), (10127, 1991834), (11786, 1711463), (11999, 1681082), (13858, 1455571), (14027, 1438034), (17537, 1150214), (20254, 995917), (20501, 983918), (23998, 840541), (28054, 719017), (35074, 575107), (37843, 533026), (41002, 491959), (41743, 483226), (44239, 455962), (55309, 364702), (64657, 311974), (75686, 266513), (76609, 263302), (83486, 241613), (88478, 227981), (90077, 223934), (110618, 182351), (111967, 180154), (129314, 155987), (131651, 153218)]