20157051915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9521}}^1$

素因数の和:9610

約数の個数: 192

約数和(自身を含む): 47914094592

約数和(自身を除く): 27757042677

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 47, 55, 63, 65, 77, 91, 99, 105, 117, 141, 143, 165, 195, 231, 235, 273, 315, 329, 385, 423, 429, 455, 495, 517, 585, 611, 693, 705, 715, 819, 987, 1001, 1155, 1287, 1365, 1551, 1645, 1833, 2115, 2145, 2585, 2961, 3003, 3055, 3465, 3619, 4095, 4277, 4653, 4935, 5005, 5499, 6435, 6721, 7755, 9009, 9165, 9521, 10857, 12831, 14805, 15015, 18095, 20163, 21385, 23265, 27495, 28563, 32571, 33605, 38493, 45045, 47047, 47605, 54285, 60489, 64155, 66647, 85689, 100815, 104731, 123773, 141141, 142815, 162855, 192465, 199941, 235235, 302445, 314193, 333235, 371319, 423423, 428445, 447487, 523655, 599823, 618865, 705705, 733117, 866411, 942579, 999705, 1113957, 1342461, 1361503, 1570965, 1856595, 2117115, 2199351, 2237435, 2599233, 2999115, 3132409, 3665585, 4027383, 4084509, 4332055, 4712895, 4922357, 5569785, 5817331, 6598053, 6712305, 6807515, 7797699, 9397227, 9530521, 10996755, 12253527, 12996165, 14767071, 15662045, 17451993, 20136915, 20422545, 24611785, 28191681, 28591563, 29086655, 32990265, 34456499, 38988495, 40721317, 44301213, 46986135, 47652605, 52355979, 61267635, 63990641, 73835355, 85774689, 87259965, 103369497, 122163951, 140958405, 142957815, 172282495, 191971923, 203606585, 221506065, 261779895, 310108491, 319953205, 366491853, 428873445, 447934487, 516847485, 575915769, 610819755, 959859615, 1343803461, 1550542455, 1832459265, 2239672435, 2879578845, 4031410383, 6719017305, 20157051915]

約数ペア:

[(1, 20157051915), (3, 6719017305), (5, 4031410383), (7, 2879578845), (9, 2239672435), (11, 1832459265), (13, 1550542455), (15, 1343803461), (21, 959859615), (33, 610819755), (35, 575915769), (39, 516847485), (45, 447934487), (47, 428873445), (55, 366491853), (63, 319953205), (65, 310108491), (77, 261779895), (91, 221506065), (99, 203606585), (105, 191971923), (117, 172282495), (141, 142957815), (143, 140958405), (165, 122163951), (195, 103369497), (231, 87259965), (235, 85774689), (273, 73835355), (315, 63990641), (329, 61267635), (385, 52355979), (423, 47652605), (429, 46986135), (455, 44301213), (495, 40721317), (517, 38988495), (585, 34456499), (611, 32990265), (693, 29086655), (705, 28591563), (715, 28191681), (819, 24611785), (987, 20422545), (1001, 20136915), (1155, 17451993), (1287, 15662045), (1365, 14767071), (1551, 12996165), (1645, 12253527), (1833, 10996755), (2115, 9530521), (2145, 9397227), (2585, 7797699), (2961, 6807515), (3003, 6712305), (3055, 6598053), (3465, 5817331), (3619, 5569785), (4095, 4922357), (4277, 4712895), (4653, 4332055), (4935, 4084509), (5005, 4027383), (5499, 3665585), (6435, 3132409), (6721, 2999115), (7755, 2599233), (9009, 2237435), (9165, 2199351), (9521, 2117115), (10857, 1856595), (12831, 1570965), (14805, 1361503), (15015, 1342461), (18095, 1113957), (20163, 999705), (21385, 942579), (23265, 866411), (27495, 733117), (28563, 705705), (32571, 618865), (33605, 599823), (38493, 523655), (45045, 447487), (47047, 428445), (47605, 423423), (54285, 371319), (60489, 333235), (64155, 314193), (66647, 302445), (85689, 235235), (100815, 199941), (104731, 192465), (123773, 162855), (141141, 142815)]