20582880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 65517984

約数和(自身を除く): 44935104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 137, 160, 240, 274, 313, 411, 480, 548, 626, 685, 822, 939, 1096, 1252, 1370, 1565, 1644, 1878, 2055, 2192, 2504, 2740, 3130, 3288, 3756, 4110, 4384, 4695, 5008, 5480, 6260, 6576, 7512, 8220, 9390, 10016, 10960, 12520, 13152, 15024, 16440, 18780, 21920, 25040, 30048, 32880, 37560, 42881, 50080, 65760, 75120, 85762, 128643, 150240, 171524, 214405, 257286, 343048, 428810, 514572, 643215, 686096, 857620, 1029144, 1286430, 1372192, 1715240, 2058288, 2572860, 3430480, 4116576, 5145720, 6860960, 10291440, 20582880]

約数ペア:

[(1, 20582880), (2, 10291440), (3, 6860960), (4, 5145720), (5, 4116576), (6, 3430480), (8, 2572860), (10, 2058288), (12, 1715240), (15, 1372192), (16, 1286430), (20, 1029144), (24, 857620), (30, 686096), (32, 643215), (40, 514572), (48, 428810), (60, 343048), (80, 257286), (96, 214405), (120, 171524), (137, 150240), (160, 128643), (240, 85762), (274, 75120), (313, 65760), (411, 50080), (480, 42881), (548, 37560), (626, 32880), (685, 30048), (822, 25040), (939, 21920), (1096, 18780), (1252, 16440), (1370, 15024), (1565, 13152), (1644, 12520), (1878, 10960), (2055, 10016), (2192, 9390), (2504, 8220), (2740, 7512), (3130, 6576), (3288, 6260), (3756, 5480), (4110, 5008), (4384, 4695)]