20165246563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1\times {\mathrm{3217}}^1$

素因数の和:4003

約数の個数: 32

約数和(自身を含む): 25386467328

約数和(自身を除く): 5221220765

約数列:

[1, 7, 11, 77, 127, 641, 889, 1397, 3217, 4487, 7051, 9779, 22519, 35387, 49357, 81407, 247709, 408559, 569849, 895477, 2062097, 2859913, 4494149, 6268339, 14434679, 22683067, 31459043, 158781469, 261886319, 1833204233, 2880749509, 20165246563]

約数ペア:

[(1, 20165246563), (7, 2880749509), (11, 1833204233), (77, 261886319), (127, 158781469), (641, 31459043), (889, 22683067), (1397, 14434679), (3217, 6268339), (4487, 4494149), (7051, 2859913), (9779, 2062097), (22519, 895477), (35387, 569849), (49357, 408559), (81407, 247709)]