20179683704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{277163}}^1$

素因数の和:277667

約数の個数: 32

約数和(自身を含む): 39911616000

約数和(自身を除く): 19731932296

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 479, 958, 1916, 3832, 9101, 18202, 36404, 72808, 277163, 554326, 1108652, 2217304, 5266097, 10532194, 21064388, 42128776, 132761077, 265522154, 531044308, 1062088616, 2522460463, 5044920926, 10089841852, 20179683704]

約数ペア:

[(1, 20179683704), (2, 10089841852), (4, 5044920926), (8, 2522460463), (19, 1062088616), (38, 531044308), (76, 265522154), (152, 132761077), (479, 42128776), (958, 21064388), (1916, 10532194), (3832, 5266097), (9101, 2217304), (18202, 1108652), (36404, 554326), (72808, 277163)]