20283992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 22808008

約数列:

[1, 2, 4, 8, 17, 29, 34, 37, 58, 68, 74, 116, 136, 139, 148, 232, 278, 296, 493, 556, 629, 986, 1073, 1112, 1258, 1972, 2146, 2363, 2516, 3944, 4031, 4292, 4726, 5032, 5143, 8062, 8584, 9452, 10286, 16124, 18241, 18904, 20572, 32248, 36482, 41144, 68527, 72964, 87431, 137054, 145928, 149147, 174862, 274108, 298294, 349724, 548216, 596588, 699448, 1193176, 2535499, 5070998, 10141996, 20283992]

約数ペア:

[(1, 20283992), (2, 10141996), (4, 5070998), (8, 2535499), (17, 1193176), (29, 699448), (34, 596588), (37, 548216), (58, 349724), (68, 298294), (74, 274108), (116, 174862), (136, 149147), (139, 145928), (148, 137054), (232, 87431), (278, 72964), (296, 68527), (493, 41144), (556, 36482), (629, 32248), (986, 20572), (1073, 18904), (1112, 18241), (1258, 16124), (1972, 10286), (2146, 9452), (2363, 8584), (2516, 8062), (3944, 5143), (4031, 5032), (4292, 4726)]