20349560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6607}}^1$

素因数の和:6636

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 36743560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6607, 13214, 26428, 33035, 46249, 52856, 66070, 72677, 92498, 132140, 145354, 184996, 231245, 264280, 290708, 363385, 369992, 462490, 508739, 581416, 726770, 924980, 1017478, 1453540, 1849960, 2034956, 2543695, 2907080, 4069912, 5087390, 10174780, 20349560]

約数ペア:

[(1, 20349560), (2, 10174780), (4, 5087390), (5, 4069912), (7, 2907080), (8, 2543695), (10, 2034956), (11, 1849960), (14, 1453540), (20, 1017478), (22, 924980), (28, 726770), (35, 581416), (40, 508739), (44, 462490), (55, 369992), (56, 363385), (70, 290708), (77, 264280), (88, 231245), (110, 184996), (140, 145354), (154, 132140), (220, 92498), (280, 72677), (308, 66070), (385, 52856), (440, 46249), (616, 33035), (770, 26428), (1540, 13214), (3080, 6607)]