20752655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2837}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 11941105

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2837, 7315, 14185, 19859, 31207, 53903, 99295, 156035, 218449, 269515, 377321, 592933, 1092245, 1886605, 2964665, 4150531, 20752655]

約数ペア:

[(1, 20752655), (5, 4150531), (7, 2964665), (11, 1886605), (19, 1092245), (35, 592933), (55, 377321), (77, 269515), (95, 218449), (133, 156035), (209, 99295), (385, 53903), (665, 31207), (1045, 19859), (1463, 14185), (2837, 7315)]