20543544

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{647}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 67038840

約数和(自身を除く): 46495296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 378, 392, 441, 504, 567, 588, 647, 648, 756, 882, 1134, 1176, 1294, 1323, 1512, 1764, 1941, 2268, 2588, 2646, 3528, 3882, 3969, 4529, 4536, 5176, 5292, 5823, 7764, 7938, 9058, 10584, 11646, 13587, 15528, 15876, 17469, 18116, 23292, 27174, 31703, 31752, 34938, 36232, 40761, 46584, 52407, 54348, 63406, 69876, 81522, 95109, 104814, 108696, 122283, 126812, 139752, 163044, 190218, 209628, 244566, 253624, 285327, 326088, 366849, 380436, 419256, 489132, 570654, 733698, 760872, 855981, 978264, 1141308, 1467396, 1711962, 2282616, 2567943, 2934792, 3423924, 5135886, 6847848, 10271772, 20543544]

約数ペア:

[(1, 20543544), (2, 10271772), (3, 6847848), (4, 5135886), (6, 3423924), (7, 2934792), (8, 2567943), (9, 2282616), (12, 1711962), (14, 1467396), (18, 1141308), (21, 978264), (24, 855981), (27, 760872), (28, 733698), (36, 570654), (42, 489132), (49, 419256), (54, 380436), (56, 366849), (63, 326088), (72, 285327), (81, 253624), (84, 244566), (98, 209628), (108, 190218), (126, 163044), (147, 139752), (162, 126812), (168, 122283), (189, 108696), (196, 104814), (216, 95109), (252, 81522), (294, 69876), (324, 63406), (378, 54348), (392, 52407), (441, 46584), (504, 40761), (567, 36232), (588, 34938), (647, 31752), (648, 31703), (756, 27174), (882, 23292), (1134, 18116), (1176, 17469), (1294, 15876), (1323, 15528), (1512, 13587), (1764, 11646), (1941, 10584), (2268, 9058), (2588, 7938), (2646, 7764), (3528, 5823), (3882, 5292), (3969, 5176), (4529, 4536)]