20788236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82493}}^1$

素因数の和:82510

約数の個数: 36

約数和(自身を含む): 60055632

約数和(自身を除く): 39267396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82493, 164986, 247479, 329972, 494958, 577451, 742437, 989916, 1154902, 1484874, 1732353, 2309804, 2969748, 3464706, 5197059, 6929412, 10394118, 20788236]

約数ペア:

[(1, 20788236), (2, 10394118), (3, 6929412), (4, 5197059), (6, 3464706), (7, 2969748), (9, 2309804), (12, 1732353), (14, 1484874), (18, 1154902), (21, 989916), (28, 742437), (36, 577451), (42, 494958), (63, 329972), (84, 247479), (126, 164986), (252, 82493)]