20137831938

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{166657}}^1$

素因数の和:166816

約数の個数: 72

約数和(自身を含む): 51126341292

約数和(自身を除く): 30988509354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 137, 147, 274, 294, 411, 441, 822, 882, 959, 1233, 1918, 2466, 2877, 5754, 6713, 8631, 13426, 17262, 20139, 40278, 60417, 120834, 166657, 333314, 499971, 999942, 1166599, 1499913, 2333198, 2999826, 3499797, 6999594, 8166193, 10499391, 16332386, 20998782, 22832009, 24498579, 45664018, 48997158, 68496027, 73495737, 136992054, 146991474, 159824063, 205488081, 319648126, 410976162, 479472189, 958944378, 1118768441, 1438416567, 2237536882, 2876833134, 3356305323, 6712610646, 10068915969, 20137831938]

約数ペア:

[(1, 20137831938), (2, 10068915969), (3, 6712610646), (6, 3356305323), (7, 2876833134), (9, 2237536882), (14, 1438416567), (18, 1118768441), (21, 958944378), (42, 479472189), (49, 410976162), (63, 319648126), (98, 205488081), (126, 159824063), (137, 146991474), (147, 136992054), (274, 73495737), (294, 68496027), (411, 48997158), (441, 45664018), (822, 24498579), (882, 22832009), (959, 20998782), (1233, 16332386), (1918, 10499391), (2466, 8166193), (2877, 6999594), (5754, 3499797), (6713, 2999826), (8631, 2333198), (13426, 1499913), (17262, 1166599), (20139, 999942), (40278, 499971), (60417, 333314), (120834, 166657)]