20512991605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1\times {\mathrm{5519}}^1$

素因数の和:6213

約数の個数: 32

約数和(自身を含む): 26469504000

約数和(自身を除く): 5956512395

約数列:

[1, 5, 17, 73, 85, 365, 599, 1241, 2995, 5519, 6205, 10183, 27595, 43727, 50915, 93823, 218635, 402887, 469115, 743359, 2014435, 3305881, 3716795, 6849079, 16529405, 34245395, 56199977, 241329313, 280999885, 1206646565, 4102598321, 20512991605]

約数ペア:

[(1, 20512991605), (5, 4102598321), (17, 1206646565), (73, 280999885), (85, 241329313), (365, 56199977), (599, 34245395), (1241, 16529405), (2995, 6849079), (5519, 3716795), (6205, 3305881), (10183, 2014435), (27595, 743359), (43727, 469115), (50915, 402887), (93823, 218635)]