20199041278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{785527}}^1$

素因数の和:785608

約数の個数: 32

約数和(自身を含む): 34839737856

約数和(自身を除く): 14640696578

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 989, 1118, 1978, 12857, 25714, 785527, 1571054, 10211851, 18067121, 20423702, 33777661, 36134242, 67555322, 234872573, 439109593, 469745146, 776886203, 878219186, 1553772406, 10099520639, 20199041278]

約数ペア:

[(1, 20199041278), (2, 10099520639), (13, 1553772406), (23, 878219186), (26, 776886203), (43, 469745146), (46, 439109593), (86, 234872573), (299, 67555322), (559, 36134242), (598, 33777661), (989, 20423702), (1118, 18067121), (1978, 10211851), (12857, 1571054), (25714, 785527)]