20121247982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{140773}}^1$

素因数の和:140948

約数の個数: 32

約数和(自身を含む): 33751974240

約数和(自身を除く): 13630726258

約数列:

[1, 2, 11, 22, 73, 89, 146, 178, 803, 979, 1606, 1958, 6497, 12994, 71467, 140773, 142934, 281546, 1548503, 3097006, 10276429, 12528797, 20552858, 25057594, 113040719, 137816767, 226081438, 275633534, 914602181, 1829204362, 10060623991, 20121247982]

約数ペア:

[(1, 20121247982), (2, 10060623991), (11, 1829204362), (22, 914602181), (73, 275633534), (89, 226081438), (146, 137816767), (178, 113040719), (803, 25057594), (979, 20552858), (1606, 12528797), (1958, 10276429), (6497, 3097006), (12994, 1548503), (71467, 281546), (140773, 142934)]