20276154

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 26505126

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 101, 114, 171, 202, 303, 342, 587, 606, 909, 1174, 1761, 1818, 1919, 3522, 3838, 5283, 5757, 10566, 11153, 11514, 17271, 22306, 33459, 34542, 59287, 66918, 100377, 118574, 177861, 200754, 355722, 533583, 1067166, 1126453, 2252906, 3379359, 6758718, 10138077, 20276154]

約数ペア:

[(1, 20276154), (2, 10138077), (3, 6758718), (6, 3379359), (9, 2252906), (18, 1126453), (19, 1067166), (38, 533583), (57, 355722), (101, 200754), (114, 177861), (171, 118574), (202, 100377), (303, 66918), (342, 59287), (587, 34542), (606, 33459), (909, 22306), (1174, 17271), (1761, 11514), (1818, 11153), (1919, 10566), (3522, 5757), (3838, 5283)]