20302080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 68874624

約数和(自身を除く): 48572544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 311, 320, 340, 384, 408, 480, 510, 544, 622, 640, 680, 768, 816, 933, 960, 1020, 1088, 1244, 1280, 1360, 1555, 1632, 1866, 1920, 2040, 2176, 2488, 2720, 3110, 3264, 3732, 3840, 4080, 4352, 4665, 4976, 5287, 5440, 6220, 6528, 7464, 8160, 9330, 9952, 10574, 10880, 12440, 13056, 14928, 15861, 16320, 18660, 19904, 21148, 21760, 24880, 26435, 29856, 31722, 32640, 37320, 39808, 42296, 49760, 52870, 59712, 63444, 65280, 74640, 79305, 79616, 84592, 99520, 105740, 119424, 126888, 149280, 158610, 169184, 199040, 211480, 238848, 253776, 298560, 317220, 338368, 398080, 422960, 507552, 597120, 634440, 676736, 845920, 1015104, 1194240, 1268880, 1353472, 1691840, 2030208, 2537760, 3383680, 4060416, 5075520, 6767360, 10151040, 20302080]

約数ペア:

[(1, 20302080), (2, 10151040), (3, 6767360), (4, 5075520), (5, 4060416), (6, 3383680), (8, 2537760), (10, 2030208), (12, 1691840), (15, 1353472), (16, 1268880), (17, 1194240), (20, 1015104), (24, 845920), (30, 676736), (32, 634440), (34, 597120), (40, 507552), (48, 422960), (51, 398080), (60, 338368), (64, 317220), (68, 298560), (80, 253776), (85, 238848), (96, 211480), (102, 199040), (120, 169184), (128, 158610), (136, 149280), (160, 126888), (170, 119424), (192, 105740), (204, 99520), (240, 84592), (255, 79616), (256, 79305), (272, 74640), (311, 65280), (320, 63444), (340, 59712), (384, 52870), (408, 49760), (480, 42296), (510, 39808), (544, 37320), (622, 32640), (640, 31722), (680, 29856), (768, 26435), (816, 24880), (933, 21760), (960, 21148), (1020, 19904), (1088, 18660), (1244, 16320), (1280, 15861), (1360, 14928), (1555, 13056), (1632, 12440), (1866, 10880), (1920, 10574), (2040, 9952), (2176, 9330), (2488, 8160), (2720, 7464), (3110, 6528), (3264, 6220), (3732, 5440), (3840, 5287), (4080, 4976), (4352, 4665)]