20739486537

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11171}}^1$

素因数の和:11264

約数の個数: 128

約数和(自身を含む): 41184460800

約数和(自身を除く): 20444974263

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 47, 57, 63, 77, 99, 133, 141, 171, 189, 209, 231, 297, 329, 399, 423, 513, 517, 627, 693, 893, 987, 1197, 1269, 1463, 1551, 1881, 2079, 2679, 2961, 3591, 3619, 4389, 4653, 5643, 6251, 8037, 8883, 9823, 10857, 11171, 13167, 13959, 18753, 24111, 29469, 32571, 33513, 39501, 56259, 68761, 78197, 88407, 97713, 100539, 122881, 168777, 206283, 212249, 234591, 265221, 301617, 368643, 525037, 618849, 636747, 703773, 860167, 1105929, 1485743, 1575111, 1856547, 1910241, 2111319, 2334739, 2580501, 3317787, 3675259, 4457229, 4725333, 5730723, 5775407, 7004217, 7741503, 9975703, 11025777, 13371687, 14175999, 16343173, 17326221, 21012651, 23224509, 29927109, 33077331, 40115061, 40427849, 49029519, 51978663, 63037953, 69829921, 89781327, 99231993, 109732733, 121283547, 147088557, 155935989, 209489763, 269343981, 329198199, 363850641, 441265671, 628469289, 768129131, 987594597, 1091551923, 1885407867, 2304387393, 2962783791, 6913162179, 20739486537]

約数ペア:

[(1, 20739486537), (3, 6913162179), (7, 2962783791), (9, 2304387393), (11, 1885407867), (19, 1091551923), (21, 987594597), (27, 768129131), (33, 628469289), (47, 441265671), (57, 363850641), (63, 329198199), (77, 269343981), (99, 209489763), (133, 155935989), (141, 147088557), (171, 121283547), (189, 109732733), (209, 99231993), (231, 89781327), (297, 69829921), (329, 63037953), (399, 51978663), (423, 49029519), (513, 40427849), (517, 40115061), (627, 33077331), (693, 29927109), (893, 23224509), (987, 21012651), (1197, 17326221), (1269, 16343173), (1463, 14175999), (1551, 13371687), (1881, 11025777), (2079, 9975703), (2679, 7741503), (2961, 7004217), (3591, 5775407), (3619, 5730723), (4389, 4725333), (4653, 4457229), (5643, 3675259), (6251, 3317787), (8037, 2580501), (8883, 2334739), (9823, 2111319), (10857, 1910241), (11171, 1856547), (13167, 1575111), (13959, 1485743), (18753, 1105929), (24111, 860167), (29469, 703773), (32571, 636747), (33513, 618849), (39501, 525037), (56259, 368643), (68761, 301617), (78197, 265221), (88407, 234591), (97713, 212249), (100539, 206283), (122881, 168777)]