20155278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 27825522

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 139, 143, 169, 278, 286, 338, 417, 429, 507, 834, 858, 1014, 1529, 1807, 1859, 2197, 3058, 3614, 3718, 4394, 4587, 5421, 5577, 6591, 9174, 10842, 11154, 13182, 19877, 23491, 24167, 39754, 46982, 48334, 59631, 70473, 72501, 119262, 140946, 145002, 258401, 305383, 516802, 610766, 775203, 916149, 1550406, 1832298, 3359213, 6718426, 10077639, 20155278]

約数ペア:

[(1, 20155278), (2, 10077639), (3, 6718426), (6, 3359213), (11, 1832298), (13, 1550406), (22, 916149), (26, 775203), (33, 610766), (39, 516802), (66, 305383), (78, 258401), (139, 145002), (143, 140946), (169, 119262), (278, 72501), (286, 70473), (338, 59631), (417, 48334), (429, 46982), (507, 39754), (834, 24167), (858, 23491), (1014, 19877), (1529, 13182), (1807, 11154), (1859, 10842), (2197, 9174), (3058, 6591), (3614, 5577), (3718, 5421), (4394, 4587)]