20276280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 66512160

約数和(自身を除く): 46235880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 151, 180, 302, 360, 373, 453, 604, 746, 755, 906, 1119, 1208, 1359, 1492, 1510, 1812, 1865, 2238, 2265, 2718, 2984, 3020, 3357, 3624, 3730, 4476, 4530, 5436, 5595, 6040, 6714, 6795, 7460, 8952, 9060, 10872, 11190, 13428, 13590, 14920, 16785, 18120, 22380, 26856, 27180, 33570, 44760, 54360, 56323, 67140, 112646, 134280, 168969, 225292, 281615, 337938, 450584, 506907, 563230, 675876, 844845, 1013814, 1126460, 1351752, 1689690, 2027628, 2252920, 2534535, 3379380, 4055256, 5069070, 6758760, 10138140, 20276280]

約数ペア:

[(1, 20276280), (2, 10138140), (3, 6758760), (4, 5069070), (5, 4055256), (6, 3379380), (8, 2534535), (9, 2252920), (10, 2027628), (12, 1689690), (15, 1351752), (18, 1126460), (20, 1013814), (24, 844845), (30, 675876), (36, 563230), (40, 506907), (45, 450584), (60, 337938), (72, 281615), (90, 225292), (120, 168969), (151, 134280), (180, 112646), (302, 67140), (360, 56323), (373, 54360), (453, 44760), (604, 33570), (746, 27180), (755, 26856), (906, 22380), (1119, 18120), (1208, 16785), (1359, 14920), (1492, 13590), (1510, 13428), (1812, 11190), (1865, 10872), (2238, 9060), (2265, 8952), (2718, 7460), (2984, 6795), (3020, 6714), (3357, 6040), (3624, 5595), (3730, 5436), (4476, 4530)]