20368005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6689}}^1$

素因数の和:6733

約数の個数: 32

約数和(自身を含む): 38534400

約数和(自身を除く): 18166395

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6689, 20067, 33445, 46823, 100335, 140469, 193981, 234115, 581943, 702345, 969905, 1357867, 2909715, 4073601, 6789335, 20368005]

約数ペア:

[(1, 20368005), (3, 6789335), (5, 4073601), (7, 2909715), (15, 1357867), (21, 969905), (29, 702345), (35, 581943), (87, 234115), (105, 193981), (145, 140469), (203, 100335), (435, 46823), (609, 33445), (1015, 20067), (3045, 6689)]