20486567684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{726371}}^1$

素因数の和:727027

約数の個数: 24

約数和(自身を含む): 39171789216

約数和(自身を除く): 18685221532

約数列:

[1, 2, 4, 11, 22, 44, 641, 1282, 2564, 7051, 14102, 28204, 726371, 1452742, 2905484, 7990081, 15980162, 31960324, 465603811, 931207622, 1862415244, 5121641921, 10243283842, 20486567684]

約数ペア:

[(1, 20486567684), (2, 10243283842), (4, 5121641921), (11, 1862415244), (22, 931207622), (44, 465603811), (641, 31960324), (1282, 15980162), (2564, 7990081), (7051, 2905484), (14102, 1452742), (28204, 726371)]