20565404167

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{25237}}^1$

素因数の和:25831

約数の個数: 32

約数和(自身を含む): 27038983680

約数和(自身を除く): 6473579513

約数列:

[1, 7, 11, 19, 77, 133, 209, 557, 1463, 3899, 6127, 10583, 25237, 42889, 74081, 116413, 176659, 277607, 479503, 814891, 1943249, 3356521, 5274533, 14057009, 36921731, 98399063, 154627099, 267083171, 1082389693, 1869582197, 2937914881, 20565404167]

約数ペア:

[(1, 20565404167), (7, 2937914881), (11, 1869582197), (19, 1082389693), (77, 267083171), (133, 154627099), (209, 98399063), (557, 36921731), (1463, 14057009), (3899, 5274533), (6127, 3356521), (10583, 1943249), (25237, 814891), (42889, 479503), (74081, 277607), (116413, 176659)]