20921241608

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{1753}}^1\times {\mathrm{4507}}^1$

素因数の和:6597

約数の個数: 32

約数和(自身を含む): 39377019360

約数和(自身を除く): 18455777752

約数列:

[1, 2, 4, 8, 331, 662, 1324, 1753, 2648, 3506, 4507, 7012, 9014, 14024, 18028, 36056, 580243, 1160486, 1491817, 2320972, 2983634, 4641944, 5967268, 7900771, 11934536, 15801542, 31603084, 63206168, 2615155201, 5230310402, 10460620804, 20921241608]

約数ペア:

[(1, 20921241608), (2, 10460620804), (4, 5230310402), (8, 2615155201), (331, 63206168), (662, 31603084), (1324, 15801542), (1753, 11934536), (2648, 7900771), (3506, 5967268), (4507, 4641944), (7012, 2983634), (9014, 2320972), (14024, 1491817), (18028, 1160486), (36056, 580243)]