20156221435

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{11087}}^1$

素因数の和:11635

約数の個数: 32

約数和(自身を含む): 27931115520

約数和(自身を除く): 7774894085

約数列:

[1, 5, 7, 35, 127, 409, 635, 889, 2045, 2863, 4445, 11087, 14315, 51943, 55435, 77609, 259715, 363601, 388045, 1408049, 1818005, 4534583, 7040245, 9856343, 22672915, 31742081, 49281715, 158710405, 575892041, 2879460205, 4031244287, 20156221435]

約数ペア:

[(1, 20156221435), (5, 4031244287), (7, 2879460205), (35, 575892041), (127, 158710405), (409, 49281715), (635, 31742081), (889, 22672915), (2045, 9856343), (2863, 7040245), (4445, 4534583), (11087, 1818005), (14315, 1408049), (51943, 388045), (55435, 363601), (77609, 259715)]