20558608

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9661}}^1$

素因数の和:9695

約数の個数: 40

約数和(自身を含む): 47923520

約数和(自身を除く): 27364912

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9661, 19322, 38644, 67627, 77288, 135254, 154576, 183559, 270508, 367118, 541016, 734236, 1082032, 1284913, 1468472, 2569826, 2936944, 5139652, 10279304, 20558608]

約数ペア:

[(1, 20558608), (2, 10279304), (4, 5139652), (7, 2936944), (8, 2569826), (14, 1468472), (16, 1284913), (19, 1082032), (28, 734236), (38, 541016), (56, 367118), (76, 270508), (112, 183559), (133, 154576), (152, 135254), (266, 77288), (304, 67627), (532, 38644), (1064, 19322), (2128, 9661)]