20997114

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 44457984

約数和(自身を除く): 23460870

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2143, 3266, 4286, 4899, 6429, 9798, 12858, 49289, 98578, 147867, 152153, 295734, 304306, 456459, 912918, 3499519, 6999038, 10498557, 20997114]

約数ペア:

[(1, 20997114), (2, 10498557), (3, 6999038), (6, 3499519), (23, 912918), (46, 456459), (69, 304306), (71, 295734), (138, 152153), (142, 147867), (213, 98578), (426, 49289), (1633, 12858), (2143, 9798), (3266, 6429), (4286, 4899)]