20264266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 35076096

約数和(自身を除く): 14811830

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 691, 946, 1333, 1382, 2666, 7601, 14663, 15202, 21421, 29326, 29713, 42842, 59426, 235631, 326843, 471262, 653686, 921103, 1842206, 10132133, 20264266]

約数ペア:

[(1, 20264266), (2, 10132133), (11, 1842206), (22, 921103), (31, 653686), (43, 471262), (62, 326843), (86, 235631), (341, 59426), (473, 42842), (682, 29713), (691, 29326), (946, 21421), (1333, 15202), (1382, 14663), (2666, 7601)]