20688007776

素因数分解:

$2^5\times 3^1\times {\mathrm{823}}^1\times {\mathrm{261847}}^1$

素因数の和:262683

約数の個数: 48

約数和(自身を含む): 54372213504

約数和(自身を除く): 33684205728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 823, 1646, 2469, 3292, 4938, 6584, 9876, 13168, 19752, 26336, 39504, 79008, 261847, 523694, 785541, 1047388, 1571082, 2094776, 3142164, 4189552, 6284328, 8379104, 12568656, 25137312, 215500081, 431000162, 646500243, 862000324, 1293000486, 1724000648, 2586000972, 3448001296, 5172001944, 6896002592, 10344003888, 20688007776]

約数ペア:

[(1, 20688007776), (2, 10344003888), (3, 6896002592), (4, 5172001944), (6, 3448001296), (8, 2586000972), (12, 1724000648), (16, 1293000486), (24, 862000324), (32, 646500243), (48, 431000162), (96, 215500081), (823, 25137312), (1646, 12568656), (2469, 8379104), (3292, 6284328), (4938, 4189552), (6584, 3142164), (9876, 2094776), (13168, 1571082), (19752, 1047388), (26336, 785541), (39504, 523694), (79008, 261847)]