20157568724

素因数分解:

$2^2\times {\mathrm{43}}^3\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 36403382400

約数和(自身を除く): 16245813676

約数列:

[1, 2, 4, 43, 86, 172, 241, 263, 482, 526, 964, 1052, 1849, 3698, 7396, 10363, 11309, 20726, 22618, 41452, 45236, 63383, 79507, 126766, 159014, 253532, 318028, 445609, 486287, 891218, 972574, 1782436, 1945148, 2725469, 5450938, 10901876, 19161187, 20910341, 38322374, 41820682, 76644748, 83641364, 117195167, 234390334, 468780668, 5039392181, 10078784362, 20157568724]

約数ペア:

[(1, 20157568724), (2, 10078784362), (4, 5039392181), (43, 468780668), (86, 234390334), (172, 117195167), (241, 83641364), (263, 76644748), (482, 41820682), (526, 38322374), (964, 20910341), (1052, 19161187), (1849, 10901876), (3698, 5450938), (7396, 2725469), (10363, 1945148), (11309, 1782436), (20726, 972574), (22618, 891218), (41452, 486287), (45236, 445609), (63383, 318028), (79507, 253532), (126766, 159014)]