20729170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26921}}^1$

素因数の和:26946

約数の個数: 32

約数和(自身を含む): 46521216

約数和(自身を除く): 25792046

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26921, 53842, 134605, 188447, 269210, 296131, 376894, 592262, 942235, 1480655, 1884470, 2072917, 2961310, 4145834, 10364585, 20729170]

約数ペア:

[(1, 20729170), (2, 10364585), (5, 4145834), (7, 2961310), (10, 2072917), (11, 1884470), (14, 1480655), (22, 942235), (35, 592262), (55, 376894), (70, 296131), (77, 269210), (110, 188447), (154, 134605), (385, 53842), (770, 26921)]