20997813564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6409589}}^1$

素因数の和:6409619

約数の個数: 72

約数和(自身を含む): 65326541280

約数和(自身を除く): 44328727716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6409589, 12819178, 19228767, 25638356, 38457534, 44867123, 57686301, 76915068, 83324657, 89734246, 115372602, 134601369, 166649314, 179468492, 230745204, 249973971, 269202738, 333298628, 403804107, 499947942, 538405476, 583272599, 749921913, 807608214, 999895884, 1166545198, 1499843826, 1615216428, 1749817797, 2333090396, 2999687652, 3499635594, 5249453391, 6999271188, 10498906782, 20997813564]

約数ペア:

[(1, 20997813564), (2, 10498906782), (3, 6999271188), (4, 5249453391), (6, 3499635594), (7, 2999687652), (9, 2333090396), (12, 1749817797), (13, 1615216428), (14, 1499843826), (18, 1166545198), (21, 999895884), (26, 807608214), (28, 749921913), (36, 583272599), (39, 538405476), (42, 499947942), (52, 403804107), (63, 333298628), (78, 269202738), (84, 249973971), (91, 230745204), (117, 179468492), (126, 166649314), (156, 134601369), (182, 115372602), (234, 89734246), (252, 83324657), (273, 76915068), (364, 57686301), (468, 44867123), (546, 38457534), (819, 25638356), (1092, 19228767), (1638, 12819178), (3276, 6409589)]