20387798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23327}}^1$

素因数の和:23371

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 13204522

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23327, 46654, 443213, 536521, 886426, 1073042, 10193899, 20387798]

約数ペア:

[(1, 20387798), (2, 10193899), (19, 1073042), (23, 886426), (38, 536521), (46, 443213), (437, 46654), (874, 23327)]