20565579881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{683083}}^1$

素因数の和:683141

約数の個数: 32

約数和(自身を含む): 28328859648

約数和(自身を除く): 7763279767

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 30107, 683083, 4781581, 7513913, 11612411, 15710909, 52597391, 81286877, 109976363, 127736521, 172819999, 267085453, 894155647, 1209739993, 1869598171, 2937939983, 20565579881]

約数ペア:

[(1, 20565579881), (7, 2937939983), (11, 1869598171), (17, 1209739993), (23, 894155647), (77, 267085453), (119, 172819999), (161, 127736521), (187, 109976363), (253, 81286877), (391, 52597391), (1309, 15710909), (1771, 11612411), (2737, 7513913), (4301, 4781581), (30107, 683083)]