20517242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1777}}^1$

素因数の和:2053

約数の個数: 16

約数和(自身を含む): 32260032

約数和(自身を除く): 11742790

約数列:

[1, 2, 23, 46, 251, 502, 1777, 3554, 5773, 11546, 40871, 81742, 446027, 892054, 10258621, 20517242]

約数ペア:

[(1, 20517242), (2, 10258621), (23, 892054), (46, 446027), (251, 81742), (502, 40871), (1777, 11546), (3554, 5773)]