20512488060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{151339}}^1$

素因数の和:151608

約数の個数: 96

約数和(自身を含む): 64071302400

約数和(自身を除く): 43558814340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 251, 270, 502, 540, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 6777, 7530, 9036, 11295, 13554, 15060, 22590, 27108, 33885, 45180, 67770, 135540, 151339, 302678, 454017, 605356, 756695, 908034, 1362051, 1513390, 1816068, 2270085, 2724102, 3026780, 4086153, 4540170, 5448204, 6810255, 8172306, 9080340, 13620510, 16344612, 20430765, 27241020, 37986089, 40861530, 75972178, 81723060, 113958267, 151944356, 189930445, 227916534, 341874801, 379860890, 455833068, 569791335, 683749602, 759721780, 1025624403, 1139582670, 1367499204, 1709374005, 2051248806, 2279165340, 3418748010, 4102497612, 5128122015, 6837496020, 10256244030, 20512488060]

約数ペア:

[(1, 20512488060), (2, 10256244030), (3, 6837496020), (4, 5128122015), (5, 4102497612), (6, 3418748010), (9, 2279165340), (10, 2051248806), (12, 1709374005), (15, 1367499204), (18, 1139582670), (20, 1025624403), (27, 759721780), (30, 683749602), (36, 569791335), (45, 455833068), (54, 379860890), (60, 341874801), (90, 227916534), (108, 189930445), (135, 151944356), (180, 113958267), (251, 81723060), (270, 75972178), (502, 40861530), (540, 37986089), (753, 27241020), (1004, 20430765), (1255, 16344612), (1506, 13620510), (2259, 9080340), (2510, 8172306), (3012, 6810255), (3765, 5448204), (4518, 4540170), (5020, 4086153), (6777, 3026780), (7530, 2724102), (9036, 2270085), (11295, 1816068), (13554, 1513390), (15060, 1362051), (22590, 908034), (27108, 756695), (33885, 605356), (45180, 454017), (67770, 302678), (135540, 151339)]