20979756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27751}}^1$

素因数の和:27771

約数の個数: 48

約数和(自身を含む): 62164480

約数和(自身を除く): 41184724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27751, 55502, 83253, 111004, 166506, 194257, 249759, 333012, 388514, 499518, 582771, 749277, 777028, 999036, 1165542, 1498554, 1748313, 2331084, 2997108, 3496626, 5244939, 6993252, 10489878, 20979756]

約数ペア:

[(1, 20979756), (2, 10489878), (3, 6993252), (4, 5244939), (6, 3496626), (7, 2997108), (9, 2331084), (12, 1748313), (14, 1498554), (18, 1165542), (21, 999036), (27, 777028), (28, 749277), (36, 582771), (42, 499518), (54, 388514), (63, 333012), (84, 249759), (108, 194257), (126, 166506), (189, 111004), (252, 83253), (378, 55502), (756, 27751)]