20814300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:629

約数の個数: 144

約数和(自身を含む): 72182880

約数和(自身を除く): 51368580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 593, 650, 675, 702, 780, 900, 975, 1170, 1186, 1300, 1350, 1404, 1755, 1779, 1950, 2340, 2372, 2700, 2925, 2965, 3510, 3558, 3900, 5337, 5850, 5930, 7020, 7116, 7709, 8775, 8895, 10674, 11700, 11860, 14825, 15418, 16011, 17550, 17790, 21348, 23127, 26685, 29650, 30836, 32022, 35100, 35580, 38545, 44475, 46254, 53370, 59300, 64044, 69381, 77090, 80055, 88950, 92508, 106740, 115635, 133425, 138762, 154180, 160110, 177900, 192725, 208143, 231270, 266850, 277524, 320220, 346905, 385450, 400275, 416286, 462540, 533700, 578175, 693810, 770900, 800550, 832572, 1040715, 1156350, 1387620, 1601100, 1734525, 2081430, 2312700, 3469050, 4162860, 5203575, 6938100, 10407150, 20814300]

約数ペア:

[(1, 20814300), (2, 10407150), (3, 6938100), (4, 5203575), (5, 4162860), (6, 3469050), (9, 2312700), (10, 2081430), (12, 1734525), (13, 1601100), (15, 1387620), (18, 1156350), (20, 1040715), (25, 832572), (26, 800550), (27, 770900), (30, 693810), (36, 578175), (39, 533700), (45, 462540), (50, 416286), (52, 400275), (54, 385450), (60, 346905), (65, 320220), (75, 277524), (78, 266850), (90, 231270), (100, 208143), (108, 192725), (117, 177900), (130, 160110), (135, 154180), (150, 138762), (156, 133425), (180, 115635), (195, 106740), (225, 92508), (234, 88950), (260, 80055), (270, 77090), (300, 69381), (325, 64044), (351, 59300), (390, 53370), (450, 46254), (468, 44475), (540, 38545), (585, 35580), (593, 35100), (650, 32022), (675, 30836), (702, 29650), (780, 26685), (900, 23127), (975, 21348), (1170, 17790), (1186, 17550), (1300, 16011), (1350, 15418), (1404, 14825), (1755, 11860), (1779, 11700), (1950, 10674), (2340, 8895), (2372, 8775), (2700, 7709), (2925, 7116), (2965, 7020), (3510, 5930), (3558, 5850), (3900, 5337)]