20955084

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 52214400

約数和(自身を除く): 31259316

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 417, 556, 739, 834, 1478, 1668, 2217, 2363, 2956, 4434, 4726, 7089, 8868, 9452, 12563, 14178, 25126, 28356, 37689, 50252, 75378, 102721, 150756, 205442, 308163, 410884, 616326, 1232652, 1746257, 3492514, 5238771, 6985028, 10477542, 20955084]

約数ペア:

[(1, 20955084), (2, 10477542), (3, 6985028), (4, 5238771), (6, 3492514), (12, 1746257), (17, 1232652), (34, 616326), (51, 410884), (68, 308163), (102, 205442), (139, 150756), (204, 102721), (278, 75378), (417, 50252), (556, 37689), (739, 28356), (834, 25126), (1478, 14178), (1668, 12563), (2217, 9452), (2363, 8868), (2956, 7089), (4434, 4726)]