20969046

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 72

約数和(自身を含む): 54918864

約数和(自身を除く): 33949818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 461, 722, 798, 922, 1083, 1197, 1383, 2166, 2394, 2527, 2766, 3227, 3249, 4149, 5054, 6454, 6498, 7581, 8298, 8759, 9681, 15162, 17518, 19362, 22743, 26277, 29043, 45486, 52554, 58086, 61313, 78831, 122626, 157662, 166421, 183939, 332842, 367878, 499263, 551817, 998526, 1103634, 1164947, 1497789, 2329894, 2995578, 3494841, 6989682, 10484523, 20969046]

約数ペア:

[(1, 20969046), (2, 10484523), (3, 6989682), (6, 3494841), (7, 2995578), (9, 2329894), (14, 1497789), (18, 1164947), (19, 1103634), (21, 998526), (38, 551817), (42, 499263), (57, 367878), (63, 332842), (114, 183939), (126, 166421), (133, 157662), (171, 122626), (266, 78831), (342, 61313), (361, 58086), (399, 52554), (461, 45486), (722, 29043), (798, 26277), (922, 22743), (1083, 19362), (1197, 17518), (1383, 15162), (2166, 9681), (2394, 8759), (2527, 8298), (2766, 7581), (3227, 6498), (3249, 6454), (4149, 5054)]