20290162396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{683}}^1\times {\mathrm{2939}}^1$

素因数の和:3671

約数の個数: 72

約数和(自身を含む): 42905842560

約数和(自身を除く): 22615680164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 683, 722, 1366, 1444, 2527, 2732, 2939, 4781, 5054, 5878, 9562, 10108, 11756, 12977, 19124, 20573, 25954, 41146, 51908, 55841, 82292, 90839, 111682, 181678, 223364, 246563, 363356, 390887, 493126, 781774, 986252, 1060979, 1563548, 1725941, 2007337, 2121958, 3451882, 4014674, 4243916, 6903764, 7426853, 8029348, 14051359, 14853706, 28102718, 29707412, 38139403, 56205436, 76278806, 152557612, 266975821, 533951642, 724648657, 1067903284, 1449297314, 2898594628, 5072540599, 10145081198, 20290162396]

約数ペア:

[(1, 20290162396), (2, 10145081198), (4, 5072540599), (7, 2898594628), (14, 1449297314), (19, 1067903284), (28, 724648657), (38, 533951642), (76, 266975821), (133, 152557612), (266, 76278806), (361, 56205436), (532, 38139403), (683, 29707412), (722, 28102718), (1366, 14853706), (1444, 14051359), (2527, 8029348), (2732, 7426853), (2939, 6903764), (4781, 4243916), (5054, 4014674), (5878, 3451882), (9562, 2121958), (10108, 2007337), (11756, 1725941), (12977, 1563548), (19124, 1060979), (20573, 986252), (25954, 781774), (41146, 493126), (51908, 390887), (55841, 363356), (82292, 246563), (90839, 223364), (111682, 181678)]