20386804515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6449}}^1$

素因数の和:6522

約数の個数: 192

約数和(自身を含む): 45741542400

約数和(自身を除く): 25354737885

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 23, 33, 35, 49, 51, 55, 69, 77, 85, 105, 115, 119, 147, 161, 165, 187, 231, 245, 253, 255, 345, 357, 385, 391, 483, 539, 561, 595, 735, 759, 805, 833, 935, 1127, 1155, 1173, 1265, 1309, 1617, 1771, 1785, 1955, 2415, 2499, 2695, 2737, 2805, 3381, 3795, 3927, 4165, 4301, 5313, 5635, 5865, 6449, 6545, 8085, 8211, 8855, 9163, 12397, 12495, 12903, 13685, 16905, 19159, 19347, 19635, 21505, 26565, 27489, 30107, 32245, 37191, 41055, 45143, 45815, 57477, 61985, 64515, 70939, 90321, 95795, 96735, 109633, 135429, 137445, 148327, 150535, 185955, 210749, 212817, 225715, 287385, 316001, 328899, 354695, 444981, 451605, 496573, 548165, 632247, 677145, 741635, 767431, 948003, 1038289, 1053745, 1064085, 1205963, 1489719, 1580005, 1631597, 1644495, 2224905, 2302293, 2482865, 2521559, 3114867, 3161235, 3476011, 3617889, 3837155, 4740015, 4894791, 5191445, 5372017, 6029815, 7268023, 7448595, 7564677, 8157985, 8441741, 10428033, 11421179, 11511465, 12607795, 15574335, 16116051, 17380055, 17650913, 18089445, 21804069, 24473955, 25325223, 26860085, 27737149, 34263537, 36340115, 37823385, 42208705, 52140165, 52952739, 57105895, 59092187, 79948253, 80580255, 83211447, 88254565, 109020345, 123556391, 126626115, 138685745, 171317685, 177276561, 194160043, 239844759, 264763695, 295460935, 370669173, 399741265, 416057235, 582480129, 617781955, 886382805, 970800215, 1199223795, 1359120301, 1853345865, 2912400645, 4077360903, 6795601505, 20386804515]

約数ペア:

[(1, 20386804515), (3, 6795601505), (5, 4077360903), (7, 2912400645), (11, 1853345865), (15, 1359120301), (17, 1199223795), (21, 970800215), (23, 886382805), (33, 617781955), (35, 582480129), (49, 416057235), (51, 399741265), (55, 370669173), (69, 295460935), (77, 264763695), (85, 239844759), (105, 194160043), (115, 177276561), (119, 171317685), (147, 138685745), (161, 126626115), (165, 123556391), (187, 109020345), (231, 88254565), (245, 83211447), (253, 80580255), (255, 79948253), (345, 59092187), (357, 57105895), (385, 52952739), (391, 52140165), (483, 42208705), (539, 37823385), (561, 36340115), (595, 34263537), (735, 27737149), (759, 26860085), (805, 25325223), (833, 24473955), (935, 21804069), (1127, 18089445), (1155, 17650913), (1173, 17380055), (1265, 16116051), (1309, 15574335), (1617, 12607795), (1771, 11511465), (1785, 11421179), (1955, 10428033), (2415, 8441741), (2499, 8157985), (2695, 7564677), (2737, 7448595), (2805, 7268023), (3381, 6029815), (3795, 5372017), (3927, 5191445), (4165, 4894791), (4301, 4740015), (5313, 3837155), (5635, 3617889), (5865, 3476011), (6449, 3161235), (6545, 3114867), (8085, 2521559), (8211, 2482865), (8855, 2302293), (9163, 2224905), (12397, 1644495), (12495, 1631597), (12903, 1580005), (13685, 1489719), (16905, 1205963), (19159, 1064085), (19347, 1053745), (19635, 1038289), (21505, 948003), (26565, 767431), (27489, 741635), (30107, 677145), (32245, 632247), (37191, 548165), (41055, 496573), (45143, 451605), (45815, 444981), (57477, 354695), (61985, 328899), (64515, 316001), (70939, 287385), (90321, 225715), (95795, 212817), (96735, 210749), (109633, 185955), (135429, 150535), (137445, 148327)]