20137968

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1406

約数の個数: 60

約数和(自身を含む): 56919720

約数和(自身を除く): 36781752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1283, 1308, 1744, 1962, 2566, 2616, 3849, 3924, 5132, 5232, 7698, 7848, 10264, 11547, 15396, 15696, 20528, 23094, 30792, 46188, 61584, 92376, 139847, 184752, 279694, 419541, 559388, 839082, 1118776, 1258623, 1678164, 2237552, 2517246, 3356328, 5034492, 6712656, 10068984, 20137968]

約数ペア:

[(1, 20137968), (2, 10068984), (3, 6712656), (4, 5034492), (6, 3356328), (8, 2517246), (9, 2237552), (12, 1678164), (16, 1258623), (18, 1118776), (24, 839082), (36, 559388), (48, 419541), (72, 279694), (109, 184752), (144, 139847), (218, 92376), (327, 61584), (436, 46188), (654, 30792), (872, 23094), (981, 20528), (1283, 15696), (1308, 15396), (1744, 11547), (1962, 10264), (2566, 7848), (2616, 7698), (3849, 5232), (3924, 5132)]