20819448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 64233000

約数和(自身を除く): 43413552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 59, 72, 78, 87, 104, 116, 117, 118, 156, 169, 174, 177, 232, 234, 236, 261, 312, 338, 348, 354, 377, 468, 472, 507, 522, 531, 676, 696, 708, 754, 767, 936, 1014, 1044, 1062, 1131, 1352, 1416, 1508, 1521, 1534, 1711, 2028, 2088, 2124, 2262, 2301, 3016, 3042, 3068, 3393, 3422, 4056, 4248, 4524, 4602, 4901, 5133, 6084, 6136, 6786, 6844, 6903, 9048, 9204, 9802, 9971, 10266, 12168, 13572, 13688, 13806, 14703, 15399, 18408, 19604, 19942, 20532, 22243, 27144, 27612, 29406, 29913, 30798, 39208, 39884, 41064, 44109, 44486, 55224, 58812, 59826, 61596, 66729, 79768, 88218, 88972, 89739, 117624, 119652, 123192, 133458, 176436, 177944, 179478, 200187, 239304, 266916, 289159, 352872, 358956, 400374, 533832, 578318, 717912, 800748, 867477, 1156636, 1601496, 1734954, 2313272, 2602431, 3469908, 5204862, 6939816, 10409724, 20819448]

約数ペア:

[(1, 20819448), (2, 10409724), (3, 6939816), (4, 5204862), (6, 3469908), (8, 2602431), (9, 2313272), (12, 1734954), (13, 1601496), (18, 1156636), (24, 867477), (26, 800748), (29, 717912), (36, 578318), (39, 533832), (52, 400374), (58, 358956), (59, 352872), (72, 289159), (78, 266916), (87, 239304), (104, 200187), (116, 179478), (117, 177944), (118, 176436), (156, 133458), (169, 123192), (174, 119652), (177, 117624), (232, 89739), (234, 88972), (236, 88218), (261, 79768), (312, 66729), (338, 61596), (348, 59826), (354, 58812), (377, 55224), (468, 44486), (472, 44109), (507, 41064), (522, 39884), (531, 39208), (676, 30798), (696, 29913), (708, 29406), (754, 27612), (767, 27144), (936, 22243), (1014, 20532), (1044, 19942), (1062, 19604), (1131, 18408), (1352, 15399), (1416, 14703), (1508, 13806), (1521, 13688), (1534, 13572), (1711, 12168), (2028, 10266), (2088, 9971), (2124, 9802), (2262, 9204), (2301, 9048), (3016, 6903), (3042, 6844), (3068, 6786), (3393, 6136), (3422, 6084), (4056, 5133), (4248, 4901), (4524, 4602)]