20467636

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 43724800

約数和(自身を除く): 23257164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 487, 532, 553, 974, 1106, 1501, 1948, 2212, 3002, 3409, 6004, 6818, 9253, 10507, 13636, 18506, 21014, 37012, 38473, 42028, 64771, 76946, 129542, 153892, 259084, 269311, 538622, 730987, 1077244, 1461974, 2923948, 5116909, 10233818, 20467636]

約数ペア:

[(1, 20467636), (2, 10233818), (4, 5116909), (7, 2923948), (14, 1461974), (19, 1077244), (28, 730987), (38, 538622), (76, 269311), (79, 259084), (133, 153892), (158, 129542), (266, 76946), (316, 64771), (487, 42028), (532, 38473), (553, 37012), (974, 21014), (1106, 18506), (1501, 13636), (1948, 10507), (2212, 9253), (3002, 6818), (3409, 6004)]