20158486

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 31158864

約数和(自身を除く): 11000378

約数列:

[1, 2, 43, 86, 157, 314, 1493, 2986, 6751, 13502, 64199, 128398, 234401, 468802, 10079243, 20158486]

約数ペア:

[(1, 20158486), (2, 10079243), (43, 468802), (86, 234401), (157, 128398), (314, 64199), (1493, 13502), (2986, 6751)]