20188320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 64266048

約数和(自身を除く): 44077728

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, 307, 411, 480, 548, 614, 685, 822, 921, 1096, 1228, 1370, 1535, 1644, 1842, 2055, 2192, 2456, 2740, 3070, 3288, 3684, 4110, 4384, 4605, 4912, 5480, 6140, 6576, 7368, 8220, 9210, 9824, 10960, 12280, 13152, 14736, 16440, 18420, 21920, 24560, 29472, 32880, 36840, 42059, 49120, 65760, 73680, 84118, 126177, 147360, 168236, 210295, 252354, 336472, 420590, 504708, 630885, 672944, 841180, 1009416, 1261770, 1345888, 1682360, 2018832, 2523540, 3364720, 4037664, 5047080, 6729440, 10094160, 20188320]

約数ペア:

[(1, 20188320), (2, 10094160), (3, 6729440), (4, 5047080), (5, 4037664), (6, 3364720), (8, 2523540), (10, 2018832), (12, 1682360), (15, 1345888), (16, 1261770), (20, 1009416), (24, 841180), (30, 672944), (32, 630885), (40, 504708), (48, 420590), (60, 336472), (80, 252354), (96, 210295), (120, 168236), (137, 147360), (160, 126177), (240, 84118), (274, 73680), (307, 65760), (411, 49120), (480, 42059), (548, 36840), (614, 32880), (685, 29472), (822, 24560), (921, 21920), (1096, 18420), (1228, 16440), (1370, 14736), (1535, 13152), (1644, 12280), (1842, 10960), (2055, 9824), (2192, 9210), (2456, 8220), (2740, 7368), (3070, 6576), (3288, 6140), (3684, 5480), (4110, 4912), (4384, 4605)]