20769892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3301}}^1$

素因数の和:3340

約数の個数: 36

約数和(自身を含む): 43038268

約数和(自身を除く): 22268376

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3301, 6292, 6602, 13204, 36311, 42913, 72622, 85826, 145244, 171652, 399421, 472043, 798842, 944086, 1597684, 1888172, 5192473, 10384946, 20769892]

約数ペア:

[(1, 20769892), (2, 10384946), (4, 5192473), (11, 1888172), (13, 1597684), (22, 944086), (26, 798842), (44, 472043), (52, 399421), (121, 171652), (143, 145244), (242, 85826), (286, 72622), (484, 42913), (572, 36311), (1573, 13204), (3146, 6602), (3301, 6292)]