20846944

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21827744

約数列:

[1, 2, 4, 8, 16, 32, 47, 83, 94, 166, 167, 188, 332, 334, 376, 664, 668, 752, 1328, 1336, 1504, 2656, 2672, 3901, 5344, 7802, 7849, 13861, 15604, 15698, 27722, 31208, 31396, 55444, 62416, 62792, 110888, 124832, 125584, 221776, 251168, 443552, 651467, 1302934, 2605868, 5211736, 10423472, 20846944]

約数ペア:

[(1, 20846944), (2, 10423472), (4, 5211736), (8, 2605868), (16, 1302934), (32, 651467), (47, 443552), (83, 251168), (94, 221776), (166, 125584), (167, 124832), (188, 110888), (332, 62792), (334, 62416), (376, 55444), (664, 31396), (668, 31208), (752, 27722), (1328, 15698), (1336, 15604), (1504, 13861), (2656, 7849), (2672, 7802), (3901, 5344)]