20512094435

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 29111623680

約数和(自身を除く): 8599529245

約数列:

[1, 5, 7, 35, 73, 79, 151, 365, 395, 511, 553, 673, 755, 1057, 2555, 2765, 3365, 4711, 5285, 5767, 11023, 11929, 23555, 28835, 40369, 49129, 53167, 55115, 59645, 77161, 83503, 101623, 201845, 245645, 265835, 343903, 372169, 385805, 417515, 508115, 711361, 870817, 1719515, 1860845, 3556805, 3881191, 4354085, 6095719, 7418479, 8028217, 19405955, 27168337, 30478595, 37092395, 40141085, 51929353, 56197519, 135841685, 259646765, 280987595, 586059841, 2930299205, 4102418887, 20512094435]

約数ペア:

[(1, 20512094435), (5, 4102418887), (7, 2930299205), (35, 586059841), (73, 280987595), (79, 259646765), (151, 135841685), (365, 56197519), (395, 51929353), (511, 40141085), (553, 37092395), (673, 30478595), (755, 27168337), (1057, 19405955), (2555, 8028217), (2765, 7418479), (3365, 6095719), (4711, 4354085), (5285, 3881191), (5767, 3556805), (11023, 1860845), (11929, 1719515), (23555, 870817), (28835, 711361), (40369, 508115), (49129, 417515), (53167, 385805), (55115, 372169), (59645, 343903), (77161, 265835), (83503, 245645), (101623, 201845)]