20285100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:717

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 50960340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 90, 99, 100, 108, 110, 132, 135, 150, 165, 180, 198, 220, 225, 270, 275, 297, 300, 330, 396, 450, 495, 540, 550, 594, 660, 675, 683, 825, 900, 990, 1100, 1188, 1350, 1366, 1485, 1650, 1980, 2049, 2475, 2700, 2732, 2970, 3300, 3415, 4098, 4950, 5940, 6147, 6830, 7425, 7513, 8196, 9900, 10245, 12294, 13660, 14850, 15026, 17075, 18441, 20490, 22539, 24588, 29700, 30052, 30735, 34150, 36882, 37565, 40980, 45078, 51225, 61470, 67617, 68300, 73764, 75130, 90156, 92205, 102450, 112695, 122940, 135234, 150260, 153675, 184410, 187825, 202851, 204900, 225390, 270468, 307350, 338085, 368820, 375650, 405702, 450780, 461025, 563475, 614700, 676170, 751300, 811404, 922050, 1014255, 1126950, 1352340, 1690425, 1844100, 2028510, 2253900, 3380850, 4057020, 5071275, 6761700, 10142550, 20285100]

約数ペア:

[(1, 20285100), (2, 10142550), (3, 6761700), (4, 5071275), (5, 4057020), (6, 3380850), (9, 2253900), (10, 2028510), (11, 1844100), (12, 1690425), (15, 1352340), (18, 1126950), (20, 1014255), (22, 922050), (25, 811404), (27, 751300), (30, 676170), (33, 614700), (36, 563475), (44, 461025), (45, 450780), (50, 405702), (54, 375650), (55, 368820), (60, 338085), (66, 307350), (75, 270468), (90, 225390), (99, 204900), (100, 202851), (108, 187825), (110, 184410), (132, 153675), (135, 150260), (150, 135234), (165, 122940), (180, 112695), (198, 102450), (220, 92205), (225, 90156), (270, 75130), (275, 73764), (297, 68300), (300, 67617), (330, 61470), (396, 51225), (450, 45078), (495, 40980), (540, 37565), (550, 36882), (594, 34150), (660, 30735), (675, 30052), (683, 29700), (825, 24588), (900, 22539), (990, 20490), (1100, 18441), (1188, 17075), (1350, 15026), (1366, 14850), (1485, 13660), (1650, 12294), (1980, 10245), (2049, 9900), (2475, 8196), (2700, 7513), (2732, 7425), (2970, 6830), (3300, 6147), (3415, 5940), (4098, 4950)]