20789127645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1489}}^1$

素因数の和:1827

約数の個数: 128

約数和(自身を含む): 40948346880

約数和(自身を除く): 20159219235

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 283, 299, 345, 429, 715, 759, 849, 897, 1265, 1415, 1489, 1495, 2145, 3113, 3289, 3679, 3795, 4245, 4467, 4485, 6509, 7445, 9339, 9867, 11037, 15565, 16379, 16445, 18395, 19357, 19527, 22335, 32545, 34247, 40469, 46695, 49137, 49335, 55185, 58071, 71599, 81895, 84617, 96785, 97635, 102741, 121407, 171235, 202345, 212927, 214797, 245685, 253851, 290355, 357995, 376717, 421387, 423085, 445211, 513705, 607035, 638781, 930787, 1064635, 1073985, 1130151, 1264161, 1269255, 1335633, 1883585, 2106935, 2226055, 2792361, 3193905, 4635257, 4653935, 4897321, 5478031, 5650755, 6320805, 6678165, 9691901, 13905771, 13961805, 14691963, 16434093, 23176285, 24486605, 27390155, 29075703, 48459505, 60258341, 69528855, 73459815, 82170465, 106610911, 125994713, 145378515, 180775023, 301291705, 319832733, 377984139, 533054555, 629973565, 903875115, 1385941843, 1599163665, 1889920695, 4157825529, 6929709215, 20789127645]

約数ペア:

[(1, 20789127645), (3, 6929709215), (5, 4157825529), (11, 1889920695), (13, 1599163665), (15, 1385941843), (23, 903875115), (33, 629973565), (39, 533054555), (55, 377984139), (65, 319832733), (69, 301291705), (115, 180775023), (143, 145378515), (165, 125994713), (195, 106610911), (253, 82170465), (283, 73459815), (299, 69528855), (345, 60258341), (429, 48459505), (715, 29075703), (759, 27390155), (849, 24486605), (897, 23176285), (1265, 16434093), (1415, 14691963), (1489, 13961805), (1495, 13905771), (2145, 9691901), (3113, 6678165), (3289, 6320805), (3679, 5650755), (3795, 5478031), (4245, 4897321), (4467, 4653935), (4485, 4635257), (6509, 3193905), (7445, 2792361), (9339, 2226055), (9867, 2106935), (11037, 1883585), (15565, 1335633), (16379, 1269255), (16445, 1264161), (18395, 1130151), (19357, 1073985), (19527, 1064635), (22335, 930787), (32545, 638781), (34247, 607035), (40469, 513705), (46695, 445211), (49137, 423085), (49335, 421387), (55185, 376717), (58071, 357995), (71599, 290355), (81895, 253851), (84617, 245685), (96785, 214797), (97635, 212927), (102741, 202345), (121407, 171235)]